Safety Instructions & Operator's Manual for ,SNAPPER, LAWN TRA CTOR HYDROSTATIC & GEAR DRIVE SERIES D MODELS GEAR DRIVE LT120G30DB NLT120G30DB LT125G38DB HYDROSTATIC DRIVE LT140H33DBV LT145H33DBV LT145H38DBV NLT145H38DBV MODEL NUMBER EXPLANATION I LT I 145I H 1381 O I B I V I MODEL DESIGNATION ENGINE HP DRIVE SYSTEM TYPE CUTTING WIDTH LT - Lawn Tractor Model Designation 120 - 12.
IMPORTANT SAFETY INSTRUCTIONS WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons. The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine.
IMPORTANT SAFETY INSTRUCTIONS PREPARATION MAINTENANCE (Continued From Previous Page) 5. Check the area to be mowed and remove all objects such as toys, wire, rocks, limbs and other objects that could cause injury if thrown by blade or interfere with mowing. 6. Keep people and pets a safe distance from machine. 7. Check shields, deflectors, switches, blade controls and other safety devices frequently for proper operation and location. 8. Make sure all safety decals are clearly legible.
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS ...... 2 & 2A MAINTENANCE INSTRUCTIONS TABLE OF CONTENTS ........................................ Battery 3 FAMILIARIZATION ............................................. 4-5 Serial & Model Number Location ........................... 4 Controls .................................................................... 5 Components ........................................................... 5 (Continued) Service .............................................
FAMILIARIZATION H_.'t::1:! P"_IHE:I _v, (o] _] ::!mid_Ill Lv,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D Lawn Tractor are located on the rear face of the tractor REAR VIEW frame as shown in Figure 1. Record these numbers in the space provided. They will be useful in ordering parts or accessories for the tractor. _/. !_OF _ACTOR / \ / I MODEL NUMBER ! SERIAL NUMBER SNAPPER. SER XXXXXXXX McOn.p. = 3o2ss MOD XXXXXXXXXXX KW X.XX KG HP X.
FAMILIARIZATION [_o] Lv, I ".,To] _,1:1_,b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn _ CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly familiar with the components and their operation BEFORE OPERATING. Spe- cific details involving the engine are found in the separate Engine Owners' Manual.
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as requiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower. TANK Checkguards,deflectorsand coversto make sure all are in place and securelytightened. / Check engineoil. Addoil as neededtobringup to, but not over,thefullmark.
OPERATING I _ :,In#,I :_idI: [rl:_..'t liD] "J"JI: [tl INSTRUCTIONS =1_[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look aroundto make sure that the area you are goingto mow is clear of people, children and pets. Take note of any stationaryobstacles! ENGAGEMENT LEVER NOTE: The interlocksystemwillpreventthe engine from starting ifthe blade engagement lever is in the "ON" (up)position.
OPERATING _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: INSTRUCTIONS 1:1=1nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. STOPPING I FORWARD SPEEDS WHEEL DRIVE FIGURE 9 Fully depress clutch/brake pedal to stop wheel drive. Shift speed control lever to neutral. See Figure 10.
OPERATING INSTRUCTIONS _-'lmmr.1:_m nlI _[rt::lE._m go] ..J..JI _[it L',[olV,'J=1:l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE ON Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER Move blade engagement lever to "OFF". See Figure 12. FIGURE 12 I_-.1 :a / dI ,_[rl:Ji :t :1al:f.!,.-] I _'[rll ".
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brakepedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. / FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1I: [rl_]: t,J=i =1,]=1il _=[,, lo_ia= RAISING CHUTE DEFLECTOR for CLEARANCE THROUGH GATES or TRANSPORTS WING NUT _,,.
OPERATING I INSTRUCTIONS / I ",.Z.."_l ] _I ;l [*;'i'l I _[rII For best results,use the followingtips when mowing. Keep mower blades sharp. A dull blade tearsand shreds grass instead of cutting. Your SNAPPER dealer can sharpen blades as required. When mowing,cutonly 1/3 of grass height.Cuttinggrass deeper couldbe harmfulto your lawn.
TROUBLESHOOTING STARTER WiLL NOT CRANK ENGINE 1 .Battery dead. 1. Service battery. 2. Blown fuse. 2. Replace 3. Electrical connections loose or corroded. 3. Clean end check connections for good fuse. contact.. ENGINE WILL NOT START 4. Defective ignition switch. 4. Contact authonzed 1. Blade engagement lever in the "ON" position. 1. Move blade engagement I 2. Park brake not set. STALLS RUNNING AFTER I ENGINE LOSES POWER dealer. lever to "OFF" 2. Set park brake. 3. Fuel tank empty. 3.
TROUBLESHOOTING BLADE(S) NOT CUllING CUTTING GRASS IMPROPERLY POOR GRASS DISCHARGE BATTERY WILL CHARGE NOT OIL LEAKING FROM TRANSMISSION 1.Blade engagement leverin the "OFF" position. 1. Move leverto the "ON" position. 2, Blade belt requiresadjustment. 2. Adjust mower belt. 3. Blade belt requiresreplacement. 3. Replace mowerbelt. 1. Uneven tire pressure. 1. Bring to proper pressure. 2. Cuing 2. Adjust cuttingheight. height too low or high. 3. Engine speed too slow. 3.
MAINTENANCE INSTRUCTIONS Engine SERVICE TO BE PERFORMED Check Oil Level Page 6 Engine Initial Oil Change Pages 15 & 16 Engine Periodic Oil Change page 15 Air Pre-Cleaner Service Sponge PreCleaner Element Engine Manual &Page 19 X** Air Cleaner Replace Element X** Spark Plug Replace Plugs Fuel Filter Replace Filter Engine Manual. Engine Manual.
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS \ The hydrostictransmission does not normally require maintainence,however, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch. FIGURE 18 Disconnectnegative (black) battery wire from terminal first!See Figure 19.
MAINTENANCE INSTRUCTIONS FILLER TUBE MODELS L T120G30DB, NL T120G30DB, LT125G33DB & LT125G38DB OIL DRAIN EXTENSION These models are equipped with 12 & 12 1/2 hp engines which are furnishes with extended oil drains. See Figure 21. \ Raise tractorhood and tilt itforward. Disconnectsparkplugwire. Secure wire awayfrom soark plug. PLUG TO DRAIN OIL Put a brick or block of wood under deck wheel on opposite side of oil drain. Loosenoilfill cap on engine.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease fitting on wheel hub. Using general purposegrease in a greasegun, addgrease untilgreasepurgesfrom bearing. See Figure 23. AXLE SPINDLE LUB RICATION FITTING AXLE SPINDLES Lubricateeach axlespindlewith 1 shot ofgeneral purpose grease. See Figure 23.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. BLADE ENGAGEMENT FIGURE 26 ::::C'o: MECHANISM Using 30 wt. motor oil, lubricatethe blade engagement mechanismpivot points,which are locatedon the R.H. undersideof tractor. See Figure28.
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular basisto insurethattheyare intopworkingcondition.Refer to SERVICE SCHEDULE on Page 14 for recommended service intervals. AIR CLEANER ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine Owner'sManual for specificcleaninginstructions. ENGINE AIR PRE.
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ / -- S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of operation. Raise operator'sseat. f Remove the two adjustingknobs. Remove seat assemblyand moveforward.Use care not to disconnectwires from seat switch.See Figure33.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position. Raise seat and tighten adjusting knobs. BATTERY CHARGING The engine is equipped with a flywheel alternator to charge the battery.
MAINTENANCE INSTRUCTIONS FRONT UFT ARM Should the tractiondrive belt show signs of excessive wear or damage, replace. MOWER DECK REMOVAL Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. UFT ROD Turn engine "OFF". HAIR PIN \ Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure 36. FIGURE 37 Lowerdeck to lowest setting. RIGHT SIDE Disconnectdeck liftrodfrom frontliftarm.
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H. side. FIGURE 40 TRACTION DRIVE BELT REMOVAL Remove two belt guide mounting bolts from each side of tractor frame. See Figure 41.
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. See Figure44. REMOVE FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmissionpulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley. Route belt through stationary and tension idlers. See Figure45.
MAINTENANCE INSTRUCTIONS REMOVE IDLER SPINDLE PULLEY COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF". / Raise hood, remove spark plug wire from spark plug and secure wire away from spark plug. FIGURE 47 Remove mower deck. SPINDLE----] Remove deck belt idler pulley. See Figure 47.
MAINTENANCE INSTRUCTIONS " W.ARNING AI " Blades are extremely sharp and can cause severe I injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. I _Ib WARNING I Never use a excessive wear heavy leather around cutting and can cause --_ oq cutting blade that shows signs or damage. Refer to Figure 4.5. Wear I gloves when handling or working I blades. Blades are extremely sharPl severe injury.
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD REPLACEMENT MOWER BLADE REMOVAL AND Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Remove mowing deck from tractor. I Carefully position deck to access blades. Remove blade mounting nut and cone washer from each blade. See Figure 54.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug. Remove mowing deck from tractor. Remove mower blade(s) Inspectfor excessivewear or damage.
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJaTM blade wear limits. Sharpen allcuttingedges ofthe NinjaTM recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened NinjaTM blade in reverse order of removal. Torque mounting bolts or nuts to proper standard blade torque value for deck being serviced.
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinpreviousinstructions. Move tractorto a firm, level surface. E ENGAGEMENT TO "OFF" / Turn engine"OFF'.
MAINTENANCE INSTRUCTIONS I To adjust tension, remove extension rod mountingbolt and nut. See Figure62. • -_LEAST TENSION/d _L / MOSTTENSlON Move extension rodto next hole towards rear of deck and secure with mountingbolt and nut. MOUNTING- "-_ // NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON" and "OFF" positions. See Figure 61. Continue adjustment until tension is correct. SECTOR PLATE NOTE: Before adjusting deck, bring tire pressureto properpsi.
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate.blade(s) until blade tips are at each side of deck. _-_ •Measuredistancefrom blade tip to flooron each side of deck. ANGLE IRON LMEASURE FROM f BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck to be consideredlevel. See Figure66. FIGURE 66 If measurementdiffersmore than 1/8",adjustas follows: Loosenfrontliftarm pivotboltonfrontof rightside rail.See Figure67.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" lowerthan the front. See Figure69. 33" DECK SHOWN FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper level cannot be obtained, adjust the front liftrod as follows: x f L__ MEASUREFROM BLADETIPSTO FLOOR FIGURE 69 Move deck lift lever to #5 position. 30" & 33" DECK Place a 2X4 wooden blockon edge underfrontcenter of deck.
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. Front 12 psi, Rear 10 psi. BLOCK SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Move blade engagement lever to "OFF". Place a 2-112" tall block under the front of the deck centered between the front lift arms. See Fig 70a.
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level J Adjust the swivel on the front lift rod until it lines up with the hole in the front lift bracket.
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut. Rotate eccentric clockwise until steering "PLAY" is reduced. See Figure 71. Tighteneccentricmounting nut. Replacespark plugwire onto sparkplug and lowerhood.
MAINTENANCE INSTRUCTIONS \ HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug. Locatebrake adjustmenton rightside oftractor infrontof and behind right rear wheel. See Figure74.
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. I I "ED I ENGINE I /-IGNITION /GROUND GREENI I N_ RED I SEAT SWITCH II I I I BLACK IN_ I" RED RED STARTER k '_--ALTERNATOR BLACK B_ RED I Tl r YELLOW BLUE BATTERY FIGURE 77 BRIGGS & STRA TTON WITH LIGHTS BLACK PEDAL SWITCH ANTI-AFTER FIRE SOLENOID --_ \\ PTO SWITCH SEAT SWITCH RED IGNmON ENGINE GROUND AC OUTPUT RED
! 3 YEAR LIMITED WARRANTY For three (3) years from purchase date for the original purchaser's residential, non-commercial use, SNAPPER, through any SNAPPER dealer will replace, free of charge (except for taxes where applicable), any part.or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.
SERVICE NOTES
SERVICE NOTES
Safety Instructions & Operator's Manual for 8NAPPER LAWN TRA C TOR HYDROSTA TIC & GEAR DRIVE SERIES D IA WARNING: The engine exhaust this birth product contains chemicals knownharm. to the State I of Califomia to causefrom cancer, defects or other reproductive I COPYRIGHT © 1998 SNAPPER INC ALL RIGHTS RESERVED MANUAL No. 3-5576 (REV.
Safety Instructions & Operator's Manual for ,SNAPPER, LAWN TRA CTOR HYDROSTATIC & GEAR DRIVE SERIES D MODELS GEAR DRIVE LT120G30DB NLT120G30DB LT125G38DB HYDROSTATIC DRIVE LT140H33DBV LT145H33DBV LT145H38DBV NLT145H38DBV MODEL NUMBER EXPLANATION I LT I 145I H 1381 O I B I V I MODEL DESIGNATION ENGINE HP DRIVE SYSTEM TYPE CUTTING WIDTH LT - Lawn Tractor Model Designation 120 - 12.
IMPORTANT SAFETY INSTRUCTIONS WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons. The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine.
IMPORTANT SAFETY INSTRUCTIONS PREPARATION MAINTENANCE (Continued From Previous Page) 5. Check the area to be mowed and remove all objects such as toys, wire, rocks, limbs and other objects that could cause injury if thrown by blade or interfere with mowing. 6. Keep people and pets a safe distance from machine. 7. Check shields, deflectors, switches, blade controls and other safety devices frequently for proper operation and location. 8. Make sure all safety decals are clearly legible.
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS ...... 2 & 2A MAINTENANCE INSTRUCTIONS TABLE OF CONTENTS ........................................ Battery 3 FAMILIARIZATION ............................................. 4-5 Serial & Model Number Location ........................... 4 Controls .................................................................... 5 Components ........................................................... 5 (Continued) Service .............................................
FAMILIARIZATION H_.'t::1:! P"_IHE:I _v, (o] _] ::!mid_Ill Lv,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D Lawn Tractor are located on the rear face of the tractor REAR VIEW frame as shown in Figure 1. Record these numbers in the space provided. They will be useful in ordering parts or accessories for the tractor. _/. !_OF _ACTOR / \ / I MODEL NUMBER ! SERIAL NUMBER SNAPPER. SER XXXXXXXX McOn.p. = 3o2ss MOD XXXXXXXXXXX KW X.XX KG HP X.
FAMILIARIZATION [_o] Lv, I ".,To] _,1:1_,b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn _ CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly familiar with the components and their operation BEFORE OPERATING. Spe- cific details involving the engine are found in the separate Engine Owners' Manual.
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as requiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower. TANK Checkguards,deflectorsand coversto make sure all are in place and securelytightened. / Check engineoil. Addoil as neededtobringup to, but not over,thefullmark.
OPERATING I _ :,In#,I :_idI: [rl:_..'t liD] "J"JI: [tl INSTRUCTIONS =1_[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look aroundto make sure that the area you are goingto mow is clear of people, children and pets. Take note of any stationaryobstacles! ENGAGEMENT LEVER NOTE: The interlocksystemwillpreventthe engine from starting ifthe blade engagement lever is in the "ON" (up)position.
OPERATING _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: INSTRUCTIONS 1:1=1nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. STOPPING I FORWARD SPEEDS WHEEL DRIVE FIGURE 9 Fully depress clutch/brake pedal to stop wheel drive. Shift speed control lever to neutral. See Figure 10.
OPERATING INSTRUCTIONS _-'lmmr.1:_m nlI _[rt::lE._m go] ..J..JI _[it L',[olV,'J=1:l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE ON Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER Move blade engagement lever to "OFF". See Figure 12. FIGURE 12 I_-.1 :a / dI ,_[rl:Ji :t :1al:f.!,.-] I _'[rll ".
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brakepedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. / FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1I: [rl_]: t,J=i =1,]=1il _=[,, lo_ia= RAISING CHUTE DEFLECTOR for CLEARANCE THROUGH GATES or TRANSPORTS WING NUT _,,.
OPERATING I INSTRUCTIONS / I ",.Z.."_l ] _I ;l [*;'i'l I _[rII For best results,use the followingtips when mowing. Keep mower blades sharp. A dull blade tearsand shreds grass instead of cutting. Your SNAPPER dealer can sharpen blades as required. When mowing,cutonly 1/3 of grass height.Cuttinggrass deeper couldbe harmfulto your lawn.
TROUBLESHOOTING STARTER WiLL NOT CRANK ENGINE 1 .Battery dead. 1. Service battery. 2. Blown fuse. 2. Replace 3. Electrical connections loose or corroded. 3. Clean end check connections for good fuse. contact.. ENGINE WILL NOT START 4. Defective ignition switch. 4. Contact authonzed 1. Blade engagement lever in the "ON" position. 1. Move blade engagement I 2. Park brake not set. STALLS RUNNING AFTER I ENGINE LOSES POWER dealer. lever to "OFF" 2. Set park brake. 3. Fuel tank empty. 3.
TROUBLESHOOTING BLADE(S) NOT CUllING CUTTING GRASS IMPROPERLY POOR GRASS DISCHARGE BATTERY WILL CHARGE NOT OIL LEAKING FROM TRANSMISSION 1.Blade engagement leverin the "OFF" position. 1. Move leverto the "ON" position. 2, Blade belt requiresadjustment. 2. Adjust mower belt. 3. Blade belt requiresreplacement. 3. Replace mowerbelt. 1. Uneven tire pressure. 1. Bring to proper pressure. 2. Cuing 2. Adjust cuttingheight. height too low or high. 3. Engine speed too slow. 3.
MAINTENANCE INSTRUCTIONS Engine SERVICE TO BE PERFORMED Check Oil Level Page 6 Engine Initial Oil Change Pages 15 & 16 Engine Periodic Oil Change page 15 Air Pre-Cleaner Service Sponge PreCleaner Element Engine Manual &Page 19 X** Air Cleaner Replace Element X** Spark Plug Replace Plugs Fuel Filter Replace Filter Engine Manual. Engine Manual.
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS \ The hydrostictransmission does not normally require maintainence,however, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch. FIGURE 18 Disconnectnegative (black) battery wire from terminal first!See Figure 19.
MAINTENANCE INSTRUCTIONS FILLER TUBE MODELS L T120G30DB, NL T120G30DB, LT125G33DB & LT125G38DB OIL DRAIN EXTENSION These models are equipped with 12 & 12 1/2 hp engines which are furnishes with extended oil drains. See Figure 21. \ Raise tractorhood and tilt itforward. Disconnectsparkplugwire. Secure wire awayfrom soark plug. PLUG TO DRAIN OIL Put a brick or block of wood under deck wheel on opposite side of oil drain. Loosenoilfill cap on engine.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease fitting on wheel hub. Using general purposegrease in a greasegun, addgrease untilgreasepurgesfrom bearing. See Figure 23. AXLE SPINDLE LUB RICATION FITTING AXLE SPINDLES Lubricateeach axlespindlewith 1 shot ofgeneral purpose grease. See Figure 23.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. BLADE ENGAGEMENT FIGURE 26 ::::C'o: MECHANISM Using 30 wt. motor oil, lubricatethe blade engagement mechanismpivot points,which are locatedon the R.H. undersideof tractor. See Figure28.
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular basisto insurethattheyare intopworkingcondition.Refer to SERVICE SCHEDULE on Page 14 for recommended service intervals. AIR CLEANER ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine Owner'sManual for specificcleaninginstructions. ENGINE AIR PRE.
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ / -- S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of operation. Raise operator'sseat. f Remove the two adjustingknobs. Remove seat assemblyand moveforward.Use care not to disconnectwires from seat switch.See Figure33.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position. Raise seat and tighten adjusting knobs. BATTERY CHARGING The engine is equipped with a flywheel alternator to charge the battery.
MAINTENANCE INSTRUCTIONS FRONT UFT ARM Should the tractiondrive belt show signs of excessive wear or damage, replace. MOWER DECK REMOVAL Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. UFT ROD Turn engine "OFF". HAIR PIN \ Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure 36. FIGURE 37 Lowerdeck to lowest setting. RIGHT SIDE Disconnectdeck liftrodfrom frontliftarm.
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H. side. FIGURE 40 TRACTION DRIVE BELT REMOVAL Remove two belt guide mounting bolts from each side of tractor frame. See Figure 41.
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. See Figure44. REMOVE FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmissionpulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley. Route belt through stationary and tension idlers. See Figure45.
MAINTENANCE INSTRUCTIONS REMOVE IDLER SPINDLE PULLEY COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF". / Raise hood, remove spark plug wire from spark plug and secure wire away from spark plug. FIGURE 47 Remove mower deck. SPINDLE----] Remove deck belt idler pulley. See Figure 47.
MAINTENANCE INSTRUCTIONS " W.ARNING AI " Blades are extremely sharp and can cause severe I injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. I _Ib WARNING I Never use a excessive wear heavy leather around cutting and can cause --_ oq cutting blade that shows signs or damage. Refer to Figure 4.5. Wear I gloves when handling or working I blades. Blades are extremely sharPl severe injury.
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD REPLACEMENT MOWER BLADE REMOVAL AND Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Remove mowing deck from tractor. I Carefully position deck to access blades. Remove blade mounting nut and cone washer from each blade. See Figure 54.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug. Remove mowing deck from tractor. Remove mower blade(s) Inspectfor excessivewear or damage.
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJaTM blade wear limits. Sharpen allcuttingedges ofthe NinjaTM recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened NinjaTM blade in reverse order of removal. Torque mounting bolts or nuts to proper standard blade torque value for deck being serviced.
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinpreviousinstructions. Move tractorto a firm, level surface. E ENGAGEMENT TO "OFF" / Turn engine"OFF'.
MAINTENANCE INSTRUCTIONS I To adjust tension, remove extension rod mountingbolt and nut. See Figure62. • -_LEAST TENSION/d _L / MOSTTENSlON Move extension rodto next hole towards rear of deck and secure with mountingbolt and nut. MOUNTING- "-_ // NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON" and "OFF" positions. See Figure 61. Continue adjustment until tension is correct. SECTOR PLATE NOTE: Before adjusting deck, bring tire pressureto properpsi.
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate.blade(s) until blade tips are at each side of deck. _-_ •Measuredistancefrom blade tip to flooron each side of deck. ANGLE IRON LMEASURE FROM f BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck to be consideredlevel. See Figure66. FIGURE 66 If measurementdiffersmore than 1/8",adjustas follows: Loosenfrontliftarm pivotboltonfrontof rightside rail.See Figure67.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" lowerthan the front. See Figure69. 33" DECK SHOWN FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper level cannot be obtained, adjust the front liftrod as follows: x f L__ MEASUREFROM BLADETIPSTO FLOOR FIGURE 69 Move deck lift lever to #5 position. 30" & 33" DECK Place a 2X4 wooden blockon edge underfrontcenter of deck.
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. Front 12 psi, Rear 10 psi. BLOCK SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Move blade engagement lever to "OFF". Place a 2-112" tall block under the front of the deck centered between the front lift arms. See Fig 70a.
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level J Adjust the swivel on the front lift rod until it lines up with the hole in the front lift bracket.
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut. Rotate eccentric clockwise until steering "PLAY" is reduced. See Figure 71. Tighteneccentricmounting nut. Replacespark plugwire onto sparkplug and lowerhood.
MAINTENANCE INSTRUCTIONS \ HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug. Locatebrake adjustmenton rightside oftractor infrontof and behind right rear wheel. See Figure74.
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. I I "ED I ENGINE I /-IGNITION /GROUND GREENI I N_ RED I SEAT SWITCH II I I I BLACK IN_ I" RED RED STARTER k '_--ALTERNATOR BLACK B_ RED I Tl r YELLOW BLUE BATTERY FIGURE 77 BRIGGS & STRA TTON WITH LIGHTS BLACK PEDAL SWITCH ANTI-AFTER FIRE SOLENOID --_ \\ PTO SWITCH SEAT SWITCH RED IGNmON ENGINE GROUND AC OUTPUT RED
! 3 YEAR LIMITED WARRANTY For three (3) years from purchase date for the original purchaser's residential, non-commercial use, SNAPPER, through any SNAPPER dealer will replace, free of charge (except for taxes where applicable), any part.or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.
SERVICE NOTES
SERVICE NOTES
Safety Instructions & Operator's Manual for 8NAPPER LAWN TRA C TOR HYDROSTA TIC & GEAR DRIVE SERIES D IA WARNING: The engine exhaust this birth product contains chemicals knownharm. to the State I of Califomia to causefrom cancer, defects or other reproductive I COPYRIGHT © 1998 SNAPPER INC ALL RIGHTS RESERVED MANUAL No. 3-5576 (REV.
Safety Instructions & Operator's Manual for ,SNAPPER, LAWN TRA CTOR HYDROSTATIC & GEAR DRIVE SERIES D MODELS GEAR DRIVE LT120G30DB NLT120G30DB LT125G38DB HYDROSTATIC DRIVE LT140H33DBV LT145H33DBV LT145H38DBV NLT145H38DBV MODEL NUMBER EXPLANATION I LT I 145I H 1381 O I B I V I MODEL DESIGNATION ENGINE HP DRIVE SYSTEM TYPE CUTTING WIDTH LT - Lawn Tractor Model Designation 120 - 12.
IMPORTANT SAFETY INSTRUCTIONS WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons. The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine.
IMPORTANT SAFETY INSTRUCTIONS PREPARATION MAINTENANCE (Continued From Previous Page) 5. Check the area to be mowed and remove all objects such as toys, wire, rocks, limbs and other objects that could cause injury if thrown by blade or interfere with mowing. 6. Keep people and pets a safe distance from machine. 7. Check shields, deflectors, switches, blade controls and other safety devices frequently for proper operation and location. 8. Make sure all safety decals are clearly legible.
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS ...... 2 & 2A MAINTENANCE INSTRUCTIONS TABLE OF CONTENTS ........................................ Battery 3 FAMILIARIZATION ............................................. 4-5 Serial & Model Number Location ........................... 4 Controls .................................................................... 5 Components ........................................................... 5 (Continued) Service .............................................
FAMILIARIZATION H_.'t::1:! P"_IHE:I _v, (o] _] ::!mid_Ill Lv,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D Lawn Tractor are located on the rear face of the tractor REAR VIEW frame as shown in Figure 1. Record these numbers in the space provided. They will be useful in ordering parts or accessories for the tractor. _/. !_OF _ACTOR / \ / I MODEL NUMBER ! SERIAL NUMBER SNAPPER. SER XXXXXXXX McOn.p. = 3o2ss MOD XXXXXXXXXXX KW X.XX KG HP X.
FAMILIARIZATION [_o] Lv, I ".,To] _,1:1_,b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn _ CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly familiar with the components and their operation BEFORE OPERATING. Spe- cific details involving the engine are found in the separate Engine Owners' Manual.
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as requiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower. TANK Checkguards,deflectorsand coversto make sure all are in place and securelytightened. / Check engineoil. Addoil as neededtobringup to, but not over,thefullmark.
OPERATING I _ :,In#,I :_idI: [rl:_..'t liD] "J"JI: [tl INSTRUCTIONS =1_[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look aroundto make sure that the area you are goingto mow is clear of people, children and pets. Take note of any stationaryobstacles! ENGAGEMENT LEVER NOTE: The interlocksystemwillpreventthe engine from starting ifthe blade engagement lever is in the "ON" (up)position.
OPERATING _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: INSTRUCTIONS 1:1=1nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. STOPPING I FORWARD SPEEDS WHEEL DRIVE FIGURE 9 Fully depress clutch/brake pedal to stop wheel drive. Shift speed control lever to neutral. See Figure 10.
OPERATING INSTRUCTIONS _-'lmmr.1:_m nlI _[rt::lE._m go] ..J..JI _[it L',[olV,'J=1:l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE ON Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER Move blade engagement lever to "OFF". See Figure 12. FIGURE 12 I_-.1 :a / dI ,_[rl:Ji :t :1al:f.!,.-] I _'[rll ".
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brakepedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. / FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1I: [rl_]: t,J=i =1,]=1il _=[,, lo_ia= RAISING CHUTE DEFLECTOR for CLEARANCE THROUGH GATES or TRANSPORTS WING NUT _,,.
OPERATING I INSTRUCTIONS / I ",.Z.."_l ] _I ;l [*;'i'l I _[rII For best results,use the followingtips when mowing. Keep mower blades sharp. A dull blade tearsand shreds grass instead of cutting. Your SNAPPER dealer can sharpen blades as required. When mowing,cutonly 1/3 of grass height.Cuttinggrass deeper couldbe harmfulto your lawn.
TROUBLESHOOTING STARTER WiLL NOT CRANK ENGINE 1 .Battery dead. 1. Service battery. 2. Blown fuse. 2. Replace 3. Electrical connections loose or corroded. 3. Clean end check connections for good fuse. contact.. ENGINE WILL NOT START 4. Defective ignition switch. 4. Contact authonzed 1. Blade engagement lever in the "ON" position. 1. Move blade engagement I 2. Park brake not set. STALLS RUNNING AFTER I ENGINE LOSES POWER dealer. lever to "OFF" 2. Set park brake. 3. Fuel tank empty. 3.
TROUBLESHOOTING BLADE(S) NOT CUllING CUTTING GRASS IMPROPERLY POOR GRASS DISCHARGE BATTERY WILL CHARGE NOT OIL LEAKING FROM TRANSMISSION 1.Blade engagement leverin the "OFF" position. 1. Move leverto the "ON" position. 2, Blade belt requiresadjustment. 2. Adjust mower belt. 3. Blade belt requiresreplacement. 3. Replace mowerbelt. 1. Uneven tire pressure. 1. Bring to proper pressure. 2. Cuing 2. Adjust cuttingheight. height too low or high. 3. Engine speed too slow. 3.
MAINTENANCE INSTRUCTIONS Engine SERVICE TO BE PERFORMED Check Oil Level Page 6 Engine Initial Oil Change Pages 15 & 16 Engine Periodic Oil Change page 15 Air Pre-Cleaner Service Sponge PreCleaner Element Engine Manual &Page 19 X** Air Cleaner Replace Element X** Spark Plug Replace Plugs Fuel Filter Replace Filter Engine Manual. Engine Manual.
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS \ The hydrostictransmission does not normally require maintainence,however, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch. FIGURE 18 Disconnectnegative (black) battery wire from terminal first!See Figure 19.
MAINTENANCE INSTRUCTIONS FILLER TUBE MODELS L T120G30DB, NL T120G30DB, LT125G33DB & LT125G38DB OIL DRAIN EXTENSION These models are equipped with 12 & 12 1/2 hp engines which are furnishes with extended oil drains. See Figure 21. \ Raise tractorhood and tilt itforward. Disconnectsparkplugwire. Secure wire awayfrom soark plug. PLUG TO DRAIN OIL Put a brick or block of wood under deck wheel on opposite side of oil drain. Loosenoilfill cap on engine.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease fitting on wheel hub. Using general purposegrease in a greasegun, addgrease untilgreasepurgesfrom bearing. See Figure 23. AXLE SPINDLE LUB RICATION FITTING AXLE SPINDLES Lubricateeach axlespindlewith 1 shot ofgeneral purpose grease. See Figure 23.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. BLADE ENGAGEMENT FIGURE 26 ::::C'o: MECHANISM Using 30 wt. motor oil, lubricatethe blade engagement mechanismpivot points,which are locatedon the R.H. undersideof tractor. See Figure28.
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular basisto insurethattheyare intopworkingcondition.Refer to SERVICE SCHEDULE on Page 14 for recommended service intervals. AIR CLEANER ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine Owner'sManual for specificcleaninginstructions. ENGINE AIR PRE.
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ / -- S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of operation. Raise operator'sseat. f Remove the two adjustingknobs. Remove seat assemblyand moveforward.Use care not to disconnectwires from seat switch.See Figure33.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position. Raise seat and tighten adjusting knobs. BATTERY CHARGING The engine is equipped with a flywheel alternator to charge the battery.
MAINTENANCE INSTRUCTIONS FRONT UFT ARM Should the tractiondrive belt show signs of excessive wear or damage, replace. MOWER DECK REMOVAL Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. UFT ROD Turn engine "OFF". HAIR PIN \ Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure 36. FIGURE 37 Lowerdeck to lowest setting. RIGHT SIDE Disconnectdeck liftrodfrom frontliftarm.
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H. side. FIGURE 40 TRACTION DRIVE BELT REMOVAL Remove two belt guide mounting bolts from each side of tractor frame. See Figure 41.
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. See Figure44. REMOVE FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmissionpulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley. Route belt through stationary and tension idlers. See Figure45.
MAINTENANCE INSTRUCTIONS REMOVE IDLER SPINDLE PULLEY COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF". / Raise hood, remove spark plug wire from spark plug and secure wire away from spark plug. FIGURE 47 Remove mower deck. SPINDLE----] Remove deck belt idler pulley. See Figure 47.
MAINTENANCE INSTRUCTIONS " W.ARNING AI " Blades are extremely sharp and can cause severe I injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. I _Ib WARNING I Never use a excessive wear heavy leather around cutting and can cause --_ oq cutting blade that shows signs or damage. Refer to Figure 4.5. Wear I gloves when handling or working I blades. Blades are extremely sharPl severe injury.
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD REPLACEMENT MOWER BLADE REMOVAL AND Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Remove mowing deck from tractor. I Carefully position deck to access blades. Remove blade mounting nut and cone washer from each blade. See Figure 54.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug. Remove mowing deck from tractor. Remove mower blade(s) Inspectfor excessivewear or damage.
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJaTM blade wear limits. Sharpen allcuttingedges ofthe NinjaTM recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened NinjaTM blade in reverse order of removal. Torque mounting bolts or nuts to proper standard blade torque value for deck being serviced.
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinpreviousinstructions. Move tractorto a firm, level surface. E ENGAGEMENT TO "OFF" / Turn engine"OFF'.
MAINTENANCE INSTRUCTIONS I To adjust tension, remove extension rod mountingbolt and nut. See Figure62. • -_LEAST TENSION/d _L / MOSTTENSlON Move extension rodto next hole towards rear of deck and secure with mountingbolt and nut. MOUNTING- "-_ // NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON" and "OFF" positions. See Figure 61. Continue adjustment until tension is correct. SECTOR PLATE NOTE: Before adjusting deck, bring tire pressureto properpsi.
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate.blade(s) until blade tips are at each side of deck. _-_ •Measuredistancefrom blade tip to flooron each side of deck. ANGLE IRON LMEASURE FROM f BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck to be consideredlevel. See Figure66. FIGURE 66 If measurementdiffersmore than 1/8",adjustas follows: Loosenfrontliftarm pivotboltonfrontof rightside rail.See Figure67.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" lowerthan the front. See Figure69. 33" DECK SHOWN FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper level cannot be obtained, adjust the front liftrod as follows: x f L__ MEASUREFROM BLADETIPSTO FLOOR FIGURE 69 Move deck lift lever to #5 position. 30" & 33" DECK Place a 2X4 wooden blockon edge underfrontcenter of deck.
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. Front 12 psi, Rear 10 psi. BLOCK SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Move blade engagement lever to "OFF". Place a 2-112" tall block under the front of the deck centered between the front lift arms. See Fig 70a.
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level J Adjust the swivel on the front lift rod until it lines up with the hole in the front lift bracket.
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut. Rotate eccentric clockwise until steering "PLAY" is reduced. See Figure 71. Tighteneccentricmounting nut. Replacespark plugwire onto sparkplug and lowerhood.
MAINTENANCE INSTRUCTIONS \ HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug. Locatebrake adjustmenton rightside oftractor infrontof and behind right rear wheel. See Figure74.
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. I I "ED I ENGINE I /-IGNITION /GROUND GREENI I N_ RED I SEAT SWITCH II I I I BLACK IN_ I" RED RED STARTER k '_--ALTERNATOR BLACK B_ RED I Tl r YELLOW BLUE BATTERY FIGURE 77 BRIGGS & STRA TTON WITH LIGHTS BLACK PEDAL SWITCH ANTI-AFTER FIRE SOLENOID --_ \\ PTO SWITCH SEAT SWITCH RED IGNmON ENGINE GROUND AC OUTPUT RED
! 3 YEAR LIMITED WARRANTY For three (3) years from purchase date for the original purchaser's residential, non-commercial use, SNAPPER, through any SNAPPER dealer will replace, free of charge (except for taxes where applicable), any part.or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.
SERVICE NOTES
SERVICE NOTES
Safety Instructions & Operator's Manual for 8NAPPER LAWN TRA C TOR HYDROSTA TIC & GEAR DRIVE SERIES D IA WARNING: The engine exhaust this birth product contains chemicals knownharm. to the State I of Califomia to causefrom cancer, defects or other reproductive I COPYRIGHT © 1998 SNAPPER INC ALL RIGHTS RESERVED MANUAL No. 3-5576 (REV.
Safety Instructions & Operator's Manual for ,SNAPPER, LAWN TRA CTOR HYDROSTATIC & GEAR DRIVE SERIES D MODELS GEAR DRIVE LT120G30DB NLT120G30DB LT125G38DB HYDROSTATIC DRIVE LT140H33DBV LT145H33DBV LT145H38DBV NLT145H38DBV MODEL NUMBER EXPLANATION I LT I 145I H 1381 O I B I V I MODEL DESIGNATION ENGINE HP DRIVE SYSTEM TYPE CUTTING WIDTH LT - Lawn Tractor Model Designation 120 - 12.
IMPORTANT SAFETY INSTRUCTIONS WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious injury or death to the operator or other persons. The owner of the machine must understand these instructions and must allow only persons who understand these instructions to operate machine.
IMPORTANT SAFETY INSTRUCTIONS PREPARATION MAINTENANCE (Continued From Previous Page) 5. Check the area to be mowed and remove all objects such as toys, wire, rocks, limbs and other objects that could cause injury if thrown by blade or interfere with mowing. 6. Keep people and pets a safe distance from machine. 7. Check shields, deflectors, switches, blade controls and other safety devices frequently for proper operation and location. 8. Make sure all safety decals are clearly legible.
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS ...... 2 & 2A MAINTENANCE INSTRUCTIONS TABLE OF CONTENTS ........................................ Battery 3 FAMILIARIZATION ............................................. 4-5 Serial & Model Number Location ........................... 4 Controls .................................................................... 5 Components ........................................................... 5 (Continued) Service .............................................
FAMILIARIZATION H_.'t::1:! P"_IHE:I _v, (o] _] ::!mid_Ill Lv,I :1:1:1 Ko]).]P',_In / (o]; • The serial and model number of the SNAPPER Series D Lawn Tractor are located on the rear face of the tractor REAR VIEW frame as shown in Figure 1. Record these numbers in the space provided. They will be useful in ordering parts or accessories for the tractor. _/. !_OF _ACTOR / \ / I MODEL NUMBER ! SERIAL NUMBER SNAPPER. SER XXXXXXXX McOn.p. = 3o2ss MOD XXXXXXXXXXX KW X.XX KG HP X.
FAMILIARIZATION [_o] Lv, I ".,To] _,1:1_,b u_ The nomenclature drawings, Figures 2 & 3, illustrate the essential components of the SNAPPER Series D Lawn _ CHOKE Tractor. It is recommended that all operators of this equipment become thoroughly familiar with the components and their operation BEFORE OPERATING. Spe- cific details involving the engine are found in the separate Engine Owners' Manual.
OPERATING INSTRUCTIONS I d :! =5.'t if:! :_iI It.,].-I :(H ;I ii [..1 ,i Make the followingchecks and perform service as requiredbeforeeach start-up. Check tires and add air as needed to bringpressure to 12psi in fronttires and 10 psi in rear tires. If guards are missingor damaged, Replace BEFORE usingmower. TANK Checkguards,deflectorsand coversto make sure all are in place and securelytightened. / Check engineoil. Addoil as neededtobringup to, but not over,thefullmark.
OPERATING I _ :,In#,I :_idI: [rl:_..'t liD] "J"JI: [tl INSTRUCTIONS =1_[r] I: I =i STARTING ENGINE Take a comfortablepositionin seat of ridingmower,look aroundto make sure that the area you are goingto mow is clear of people, children and pets. Take note of any stationaryobstacles! ENGAGEMENT LEVER NOTE: The interlocksystemwillpreventthe engine from starting ifthe blade engagement lever is in the "ON" (up)position.
OPERATING _._ net :_unlI: [_lr:l-_ n[o]"J"JI _[riYl: INSTRUCTIONS 1:1=1nl ,] ;1 Lvi= HANDLE STARTING WHEEL DRIVE OF HYDRO MODELS Shift speed controllever to neutral. REVERSE Start engine. Release brake pedal. Slowlyshiftspeed controlleverforwardfor forwardmotion or to the rear for reverse motion.See Figure9. STOPPING I FORWARD SPEEDS WHEEL DRIVE FIGURE 9 Fully depress clutch/brake pedal to stop wheel drive. Shift speed control lever to neutral. See Figure 10.
OPERATING INSTRUCTIONS _-'lmmr.1:_m nlI _[rt::lE._m go] ..J..JI _[it L',[olV,'J=1:l :| mF_,l p]=l PULL BLADE ENGAGEMENT LEVER UP TO "ON" TO START MOWER BLADE(S) STARTING MOWER BLADE ON Start engine. Raise blade engagement lever to "ON". See Figure 12. STOPPING MOWER BLADE ENGAGEMENT LEVER Move blade engagement lever to "OFF". See Figure 12. FIGURE 12 I_-.1 :a / dI ,_[rl:Ji :t :1al:f.!,.-] I _'[rll ".
OPERATING INSTRUCTIONS ROLLING GEAR DRIVE MODELS GEAR DRIVEMODELSHOWN With engine 'OFF', fullydepressclutcl_/brakepedal. Place speed controllever in the neutral (N) position.See Figure 15. Release clutch/brakepedal and movetractorto desired location. -SPEED CONTROL HANDLE Setparkbrake andplace speed controlleverintoa forward speed. / FIGURE 15 1997 MODEL YEAR SHOWN m :_,_[_1I: [rl_]: t,J=i =1,]=1il _=[,, lo_ia= RAISING CHUTE DEFLECTOR for CLEARANCE THROUGH GATES or TRANSPORTS WING NUT _,,.
OPERATING I INSTRUCTIONS / I ",.Z.."_l ] _I ;l [*;'i'l I _[rII For best results,use the followingtips when mowing. Keep mower blades sharp. A dull blade tearsand shreds grass instead of cutting. Your SNAPPER dealer can sharpen blades as required. When mowing,cutonly 1/3 of grass height.Cuttinggrass deeper couldbe harmfulto your lawn.
TROUBLESHOOTING STARTER WiLL NOT CRANK ENGINE 1 .Battery dead. 1. Service battery. 2. Blown fuse. 2. Replace 3. Electrical connections loose or corroded. 3. Clean end check connections for good fuse. contact.. ENGINE WILL NOT START 4. Defective ignition switch. 4. Contact authonzed 1. Blade engagement lever in the "ON" position. 1. Move blade engagement I 2. Park brake not set. STALLS RUNNING AFTER I ENGINE LOSES POWER dealer. lever to "OFF" 2. Set park brake. 3. Fuel tank empty. 3.
TROUBLESHOOTING BLADE(S) NOT CUllING CUTTING GRASS IMPROPERLY POOR GRASS DISCHARGE BATTERY WILL CHARGE NOT OIL LEAKING FROM TRANSMISSION 1.Blade engagement leverin the "OFF" position. 1. Move leverto the "ON" position. 2, Blade belt requiresadjustment. 2. Adjust mower belt. 3. Blade belt requiresreplacement. 3. Replace mowerbelt. 1. Uneven tire pressure. 1. Bring to proper pressure. 2. Cuing 2. Adjust cuttingheight. height too low or high. 3. Engine speed too slow. 3.
MAINTENANCE INSTRUCTIONS Engine SERVICE TO BE PERFORMED Check Oil Level Page 6 Engine Initial Oil Change Pages 15 & 16 Engine Periodic Oil Change page 15 Air Pre-Cleaner Service Sponge PreCleaner Element Engine Manual &Page 19 X** Air Cleaner Replace Element X** Spark Plug Replace Plugs Fuel Filter Replace Filter Engine Manual. Engine Manual.
MAINTENANCE INSTRUCTIONS SEAT ADJUSTING KNOBS \ The hydrostictransmission does not normally require maintainence,however, properoillevelshouldbeverified sfter everyseason. TO CHECK OIL LEVEL IN TRANSMISSION Remove seat by removing seat adjustment knobs, See Figure 18. Lay seat forward. Be careful not to pull seat switchwires from the switch. FIGURE 18 Disconnectnegative (black) battery wire from terminal first!See Figure 19.
MAINTENANCE INSTRUCTIONS FILLER TUBE MODELS L T120G30DB, NL T120G30DB, LT125G33DB & LT125G38DB OIL DRAIN EXTENSION These models are equipped with 12 & 12 1/2 hp engines which are furnishes with extended oil drains. See Figure 21. \ Raise tractorhood and tilt itforward. Disconnectsparkplugwire. Secure wire awayfrom soark plug. PLUG TO DRAIN OIL Put a brick or block of wood under deck wheel on opposite side of oil drain. Loosenoilfill cap on engine.
MAINTENANCE INSTRUCTIONS The followinglubricationpoints shouldbe servicedafter each 25 operating hours to insure optimum performance of the Series D Lawn Tractor. FRONT WHEEL BEARINGS Lubricateeach front wheel bearing through the grease fitting on wheel hub. Using general purposegrease in a greasegun, addgrease untilgreasepurgesfrom bearing. See Figure 23. AXLE SPINDLE LUB RICATION FITTING AXLE SPINDLES Lubricateeach axlespindlewith 1 shot ofgeneral purpose grease. See Figure 23.
MAINTENANCE INSTRUCTIONS DRAG UNK LUBRICATION STEERING DRAG LINK Lubricateboth ends of steering drag link with a small amountof 30 wt. motoroilfrom anoilcan. See Figure26. STEERING TIE ROD Usingan oil can, filled with30wt. motoroil, lubricateboth ends of steeringtie rod. See Figure27. BLADE ENGAGEMENT FIGURE 26 ::::C'o: MECHANISM Using 30 wt. motor oil, lubricatethe blade engagement mechanismpivot points,which are locatedon the R.H. undersideof tractor. See Figure28.
MAINTENANCE INSTRUCTIONS The componentslistedshouldbe servicedon a regular basisto insurethattheyare intopworkingcondition.Refer to SERVICE SCHEDULE on Page 14 for recommended service intervals. AIR CLEANER ENGINE AIR PRE-CLEANER Theengineairpre-cleanershouldbe removedandcleaned every25 operatinghours.See Figure30. Referto Engine Owner'sManual for specificcleaninginstructions. ENGINE AIR PRE.
MAINTENANCE INSTRUCTIONS ENGINE COOLING SYSTEM The engine coolingsystemconsists of an engine shroud and engine fins.These shouldbe kept clean and free of debris as needed or clean at least every 100 operating houm. REMOVE ADJUSTING KNOBS AND MOVE _ / -- S ,TFO.WA.0, I / ,7 The batteryshouldbe servicedevery25 hours of operation. Raise operator'sseat. f Remove the two adjustingknobs. Remove seat assemblyand moveforward.Use care not to disconnectwires from seat switch.See Figure33.
MAINTENANCE INSTRUCTIONS Using distilledwater, fill cells as needed to 1/8" to 3/8" above cell plates. Replace cell covers. Charge battery if required. Install positive(+) cable first. Install negative(-) cable last. Install seat assembly over battery and secure in position with adjusting knobs. Leave knobs loose. Lower operator's seat and adjust to desired position. Raise seat and tighten adjusting knobs. BATTERY CHARGING The engine is equipped with a flywheel alternator to charge the battery.
MAINTENANCE INSTRUCTIONS FRONT UFT ARM Should the tractiondrive belt show signs of excessive wear or damage, replace. MOWER DECK REMOVAL Placetractoron a firm,levelsurfacesuchas a drivewayor garage floor and engage park brake. UFT ROD Turn engine "OFF". HAIR PIN \ Raise hoodand removespark plugwire fromspark plug. Secure sparkplugwire away fromsparkplug.See Figure 36. FIGURE 37 Lowerdeck to lowest setting. RIGHT SIDE Disconnectdeck liftrodfrom frontliftarm.
MAINTENANCE INSTRUCTIONS (30" & 33" BELT GUIDES SHOWN) Make note of hole used in sector plate. Slide sectorplates off of rear deck hanger brackets. Slide deck forward. Remove deck drive beItfrom engine pulley bottom groove. See Figure 40. Slide deck back and disconnect springfrom tension idler. Pull deck from under tractor from R.H. side. FIGURE 40 TRACTION DRIVE BELT REMOVAL Remove two belt guide mounting bolts from each side of tractor frame. See Figure 41.
MAINTENANCE INSTRUCTIONS Removetractiondrivebelt fromengine pulleytop groove. See Figure44. REMOVE FROM PULLEY Remove belt from center belt guide. Pullbelt untilitcan be removedfrom transmissionpulley. TRACTION DRIVE BELT REPLACEMENT Place new traction drive belt over transmission pulley and span to engine pulley. Place belt intotop groove of engine pulley. Route belt through stationary and tension idlers. See Figure45.
MAINTENANCE INSTRUCTIONS REMOVE IDLER SPINDLE PULLEY COVER 30" & 33" DECK DRIVE BELT REMOVAL AND REPLACEMENT Inspect deck drive belt for excessive wear and damage after every 25 operating hours. Replacement procedures are as follows: Place tractoron a firm, level surface. Turn engine "OFF". / Raise hood, remove spark plug wire from spark plug and secure wire away from spark plug. FIGURE 47 Remove mower deck. SPINDLE----] Remove deck belt idler pulley. See Figure 47.
MAINTENANCE INSTRUCTIONS " W.ARNING AI " Blades are extremely sharp and can cause severe I injury. Wear heavy leather gloves when handling or I working around blades. DO NOT use a blade that is I excessively worn or damaged. I _Ib WARNING I Never use a excessive wear heavy leather around cutting and can cause --_ oq cutting blade that shows signs or damage. Refer to Figure 4.5. Wear I gloves when handling or working I blades. Blades are extremely sharPl severe injury.
MAINTENANCE INSTRUCTIONS Install blade mounting bolts, internal tooth lock washers and nuts. See Figure 53 Torque blade to 30 to 40 Ft, Lbs. 38" STANDARD REPLACEMENT MOWER BLADE REMOVAL AND Move tractor to a firm, level surface. Turn engine "OFF". (2- REQUIRED) Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Remove mowing deck from tractor. I Carefully position deck to access blades. Remove blade mounting nut and cone washer from each blade. See Figure 54.
MAINTENANCE INSTRUCTIONS SHARPENING STANDARD BLADE(S) Blades should be kept sharp at all times. When the blade(s) are dull, cut grass will be ragged and lawn will usuallyturn brown.Sharpen standard bladesas follows: Move tractorto a firm, level surface. Tum engine "OFF'. Raise hood,remove spark plug wire from sparkplug and secure wire away from plug. Remove mowing deck from tractor. Remove mower blade(s) Inspectfor excessivewear or damage.
MAINTENANCE INSTRUCTIONS BLADE Never use a blade that shows signs of excessive wear or damage. Refer to Figure 57 for NinJaTM blade wear limits. Sharpen allcuttingedges ofthe NinjaTM recycling blade at 27° (+3°, -2 °) for optimum performance. See Figure 58. Reinstall sharpened NinjaTM blade in reverse order of removal. Torque mounting bolts or nuts to proper standard blade torque value for deck being serviced.
MAINTENANCE INSTRUCTIONS Secure stationaryidlerwith mountingbolt. Place sparkplug wire onto spark plug. Set park brake. Start Engine. Visuallyinspecttractiondrive belt for movement. When properlyadjusted,the tractiondrivebelt shouldnot have any movement or rotationwith the engine running and park brake engaged. Shouldmovement be present,readjusttractiondrive belt to releasebeittension asdescribedinpreviousinstructions. Move tractorto a firm, level surface. E ENGAGEMENT TO "OFF" / Turn engine"OFF'.
MAINTENANCE INSTRUCTIONS I To adjust tension, remove extension rod mountingbolt and nut. See Figure62. • -_LEAST TENSION/d _L / MOSTTENSlON Move extension rodto next hole towards rear of deck and secure with mountingbolt and nut. MOUNTING- "-_ // NUT & BOLT Measure extension spring with blade engagement lever in FIGURE 62 the "ON" and "OFF" positions. See Figure 61. Continue adjustment until tension is correct. SECTOR PLATE NOTE: Before adjusting deck, bring tire pressureto properpsi.
MAINTENANCE INSTRUCTIONS 33" DECK SHOWN Slidesectoroffof pinsand carefullylowerdeckontoangle iron. Rotate.blade(s) until blade tips are at each side of deck. _-_ •Measuredistancefrom blade tip to flooron each side of deck. ANGLE IRON LMEASURE FROM f BLADE TIPS TO FLOOR Bladetips shouldbe within 1/8"ofeach otherfor thedeck to be consideredlevel. See Figure66. FIGURE 66 If measurementdiffersmore than 1/8",adjustas follows: Loosenfrontliftarm pivotboltonfrontof rightside rail.See Figure67.
MAINTENANCE INSTRUCTIONS NOTE: The deck shouldbe set sothat the rear ofthe deck is 1/4" lowerthan the front. See Figure69. 33" DECK SHOWN FRONT P'/////;! REAR X • 1/4" FRONT TO REAR LEVEL- FRONT LIFT ROD If the sector plates are in their lowest setting and proper level cannot be obtained, adjust the front liftrod as follows: x f L__ MEASUREFROM BLADETIPSTO FLOOR FIGURE 69 Move deck lift lever to #5 position. 30" & 33" DECK Place a 2X4 wooden blockon edge underfrontcenter of deck.
MAINTENANCE INSTRUCTIONS FRONT OF TRACTOR NOTE: Before adjusting deck, bring tire pressureto proper psi. Front 12 psi, Rear 10 psi. BLOCK SIDE TO SIDE LEVEL Move tractor to a firm, level surface. Turn engine "OFF". Raise hood, remove spark plug wire from spark plug and secure wire away from plug. Move blade engagement lever to "OFF". Place a 2-112" tall block under the front of the deck centered between the front lift arms. See Fig 70a.
MAINTENANCE INSTRUCTIONS Attach the rear hanger plates to the hole that most closely aligns with the pin on the deck lift bracket. Secure with washer and hair pin. FRONT OF TRACTOR /h[ i !! !!ii! iiiii!i i ii! !i!!!i! !i Iiiiic i! !i ! Ni i ii!i Mii iii iii ii i i i i i i iiiiiiiiii Make certain sectorplates are mountedin the same I holes on each side for proper frontto rear level J Adjust the swivel on the front lift rod until it lines up with the hole in the front lift bracket.
MAINTENANCE INSTRUCTIONS STEERING SECTOR Should excessive "PLAY" be present in the steering, adjustas follows: Tum Engine "OFF" and raise tractorhood. Remove spark plugwire from spark plug and securewire away from plug. From leftside of tractor, locate the steeringsector below fuel tank. See Figure 71. Looseneccentricmounting nut. Rotate eccentric clockwise until steering "PLAY" is reduced. See Figure 71. Tighteneccentricmounting nut. Replacespark plugwire onto sparkplug and lowerhood.
MAINTENANCE INSTRUCTIONS \ HYDRO DRIVE MODELS To be properlyadjusted,the brake shouldstopthe tractor in approximately 6 feet from top speed when the clutch/ brake pedal is fully depressed. BRAKE Adjustbrake when necessary as follows: Turn engine "OFF'. Raise hood, remove spark plugwire from spark plugand secure wire away from plug. Locatebrake adjustmenton rightside oftractor infrontof and behind right rear wheel. See Figure74.
ELECTRICAL Figure 76 illustratestypical hamess muting on all the Series D Lawn Tractors. Use this when locatingvarious electricalcomponents. _---- O BATI1ERY NEGATIVE (-) -TO BATTERY PosmvF.
ELECTRICAL The schematics below, Figure 77 & Figure 78 represent models with and without headlights. BRIGGS & STRA TTON WITHOUT LIGHTS BLACK PEDAL SWITCH INoj. I I "ED I ENGINE I /-IGNITION /GROUND GREENI I N_ RED I SEAT SWITCH II I I I BLACK IN_ I" RED RED STARTER k '_--ALTERNATOR BLACK B_ RED I Tl r YELLOW BLUE BATTERY FIGURE 77 BRIGGS & STRA TTON WITH LIGHTS BLACK PEDAL SWITCH ANTI-AFTER FIRE SOLENOID --_ \\ PTO SWITCH SEAT SWITCH RED IGNmON ENGINE GROUND AC OUTPUT RED
! 3 YEAR LIMITED WARRANTY For three (3) years from purchase date for the original purchaser's residential, non-commercial use, SNAPPER, through any SNAPPER dealer will replace, free of charge (except for taxes where applicable), any part.or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.
SERVICE NOTES
SERVICE NOTES
Safety Instructions & Operator's Manual for 8NAPPER LAWN TRA C TOR HYDROSTA TIC & GEAR DRIVE SERIES D IA WARNING: The engine exhaust this birth product contains chemicals knownharm. to the State I of Califomia to causefrom cancer, defects or other reproductive I COPYRIGHT © 1998 SNAPPER INC ALL RIGHTS RESERVED MANUAL No. 3-5576 (REV.
