Promaster 252z / 260Z / 272Z Owner/Operator Manual Models 992066 - 25hp 52” 992067 - 25hp 60” 992068 - 27hp 60” 992069 - 28hp 60” 992070 - 25hp 72” 992071 - 27hp 52” 992072 - 27hp 72” US Patent 6,301,864 ENGLISH FRANÇAIS ESPAÑOL 00264600 1/04 Printed in USA
CONTROLS AND FEATURES 1 2 3 20 4 6 7 23 8 10 22 5 11 21 9 12 19 14 17 16 15, 18 13 Figure 1 ENGLISH 1. Choke Control (Not on EFI* models) 2. Throttle Lever 3. Malfunction Indicator Light (EFI* models only) 4. Oil Pressure Indicator 5. Fuel Tanks and Caps 6. Steering Levers 7. Eye-QTM 8. Mower Lift Lever 9. Seat Suspension Adjustment Knob 10. Headlight 11. Seat Adjustment Lever 12. Fuel Shut Off Valve 13. Antiscalp Rollers 14. Axle Locks 15. Cylinder Stops 16. Height of Cut Indicator 17.
TABLE OF CONTENTS Controls and Features . . . . . . . . . . . . . . . . . . . . . 2 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 25 Operation . . . . . . . . . . . . . . . . . . . . . .
2. Check the safety interlock system to make sure that it is functioning properly. With operator on seat, unit must not start unless steering levers are in neutral (N) and Power Takeoff (PTO) is disengaged (Off). Engine must stop if operator leaves seat when steering levers are in any drive position or PTO is engaged (On). See Safety Interlock System on page 11. 3. Fill out Original Purchaser Registration Card and return the card to Gravely. 4. Explain Gravely Limited Warranty Policy.
SAFETY DECALS AND LOCATIONS ALWAYS replace missing or damaged Safety Decals. Refer to Figure 3 for Safety Decal locations. 7 07735200C DANGER / PELIGRO Avoid injury - Stay clear of rotating parts. Risque de blessures - ne pas sapprocher des pièces en mouvement. Evitar lesiones - Mantenerse alejado de las piezas giratorias. 3 6 DANGER/PELIGRO 077560 5 07731400D 4 WARNING/AVERTISSEMENT/ADVERTENCIA 4 Do not operate mower unless guards are in operating position or bagger is attached.
2. PINCH POINT 7. DANGER! Avoid pinch points. AVOID INJURY. Stay clear of rotating parts. OL4730 OF3330 SAFETY RULES 3. DANGER! ROTATING PARTS Read, understand, and follow all safety practices in Owner/Operator Manual before beginning assembly. Failure to follow instructions could result in personal injury and/or damage to unit. Always keep feet and hands away from rotating parts. OL3030 Always stand clear of discharge area. Do not direct discharge toward other people.
NEVER wear open sandals or canvas shoes during operation. Wear adequate safety gear, protective gloves and footwear. Wear proper footwear to improve footing on slippery surfaces. DO NOT try to stabilize the machine by putting your foot on the ground. Never direct discharge towards persons or property that may be injured or damaged by thrown objects. Use extreme caution on gravel surfaces. Always stand clear of the discharge area.
Secure unit chassis to transport vehicle. NEVER secure from rods or linkages that could be damaged. Keep nuts and bolts tight, especially blade attachment bolts, and keep equipment in good condition. DO NOT transport machine while engine is running. NEVER attempt to make any adjustments to unit while engine is running (except where specifically recommended). Stop engine, remove key or spark plug wire and wait for all moving parts to stop before servicing or cleaning.
ASSEMBLY 6. Battery - Remove battery from unit and charge (See Battery on page 19). WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. 7. Check Engine Crankcase - To access engine, open hood. Check and add oil if needed. See Engine Manual for specifications. UNIT ASSEMBLY 8. 60" and 72" Decks - Remove, reverse, and reinstall discharge chute and mounting bracket. Package Contents: Unit, Mower Deck and Literature Pack WARNING: Discharge chute must pivot freely.
OPERATION Steering Levers WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. A B C D CONTROLS AND FEATURES See Figure 1 for Controls and Features locations. Safety Interlock System 077348A WARNING: Safety interlock system failure and improper operation of unit can result in death or serious injury. Test this system each time the unit is operated. If this system does not function as described, do not operate until repairs are made.
Throttle Lever 1 Fuel Shut-Off Valve The throttle lever changes the engine speed. Move the throttle lever to Fast (1) to increase engine speed. Move the lever to Slow (2) to decrease engine speed. OFF LEFT TANK RIGHT TANK OF1881 Use this valve to control fuel flow from left or right fuel tank. Open the valve to operate the engine. Turn the valve to "Off" when storing or transporting the unit. NOTE: Fuel shut-off valve on EFI units does not have an "Off" position. Parking Brake Lever 1.
FILLING FUEL TANK 1. Make sure the steering levers are in neutral. 2. Put the PTO switch in the “Off” position. WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. 3. Engage parking brake. 4. For models with choke: If the engine is cold, move the choke control to the “On” position. If the engine is warm or hot, do not use choke. Add fuel to Fuel Tank as needed. See your Engine Manual for correct type and grade of fuel. 5. Move the throttle to 3/4 “Fast” position.
4. Lower the attachment. 5. Turn the ignition key to the “Off” position and remove the key. 2 Front of unit MOVING THE UNIT WITH THE ENGINE OFF IMPORTANT: Never tow unit. 1 1. Shut OFF engine. 2. Place seat in the service position. See Service Positions on page 17. 1. Left Bypass Valve Lever 2. Right Bypass Valve Lever 3. Turn right and left bypass valve levers counter clockwise 1/2 turn (Figure 5). WARNING: Do not bypass transmission when on a slope. Figure 5 OF3530 4. Disengage parking brake. 5.
Kohler Engine 1 2 3 Kawasaki Engine 5 4 9 5 6 3 7 7 8 9 1. Hydraulic Fluid Cap/Dipstick 2. Hydraulic Fluid Tank 3. Oil Fill/Dipstick 4. Battery Period 5. 6. 7. 8. 9. In-Line Fuel Filter Oil Drain Petcock Oil Filter EFI Fuel Filter Air Filter Service 6 Task Check Safety Interlock Each Use Every 25 Hours Every 50 Hours OF3540 OF3550 Figure 6 WARNING: Safety interlock system failure and improper operation of unit can result in death or serious injury.
Period Every 100 Hours Every 200 Hours Every 250 Hours Every 500 Hours Every 1,500 Hours Service Task Clean Battery Keep battery (item 4) and its terminals clean. See Clean Battery on page 19. Change Engine Oil Drain oil by opening oil drain petcock (item 6) on right side of unit. Refer to engine manual for detailed instructions. Clean Air Filter Inner Element (992066, 067, 070) Clean the inner filter element (item 9). Check Fasteners Check mower blade mounting hardware and all other fasteners.
SERVICE AND ADJUSTMENTS Gravely Dealers will provide any service which may be required to keep your unit operating at peak efficiency. Should engine service be required, it can be obtained from a Gravely Dealer or the engine manufacturer’s authorized service center. 1 2 8 WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. 3 6 7 4 5 CAUTION: HOT SURFACES may result in injury. DO NOT touch engine or drive parts which are hot from operation.
Discard mower blade if: 2. Put seat in service position. 3. Remove any dirt that may be around the cap/dipstick on the hydraulic reservoir. • More than 1/2 in. (1.27 cm) of metal is removed. • Air lifts become eroded. 4. Remove cap/dipstick. • Blade is bent or broken. 5. Check hydraulic oil level mark on cap/dipstick. 2. Sharpen mower blade by removing an equal amount of material from each end of mower blade. DO NOT change angle of cutting edge or round the corner of the mower blade. 6.
BATTERY 3. Coat terminals with dielectric grease or petroleum jelly. WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. 4. Replace battery. See Replace Battery on page 19. Charging the Battery Battery Electrolyte First Aid WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.
STEERING CONTROL NEUTRAL ADJUSTMENT WARNING: Make sure cables are clear of any moving engine parts before starting engine. 5. Start engine (refer to Operation Section). If engine will not start after several tries, unit or battery may need service. 6. After engine starts, leave cables connected for one to two minutes. If the steering levers do not line up (match) or the unit has excessive creeping when the steering levers are in neutral, adjust as follows.
If tire pressure adjustment does not solve tracking problem, adjust the limiter bolts on the stop bracket (Figure 12). Front bolts adjust forward and rear bolts adjust reverse. Lengthen the limiter bolt (move closer to lever) on side which is too fast. Eliminating Excessive Creeping of the Unit (Figure 11) WARNING: This adjustment requires operating the engine. Use extreme care to avoid contact with moving parts and hot surfaces. Be sure rear of unit is well supported and secure before starting engine.
is 1-1/2" (3.81 cm) clearance between the jam nuts and trunnion. 2. Remove the spacer, handle, and eccentric spacers from the steering lever. 3. Tighten jam nuts together. NOTE: Position the right and left handles at the same height position. 4. Turn the return nuts clockwise to decrease the distance or counterclockwise to increase the distance until there is 1/16 to 1/8" (1.59 to 3.18 mm) between the return nuts and trunnion. 3.
4. Slowly release the tension on the hydro pump belt idler until all the tension is removed from the springs. 2. Remove long mower belt from left blade spindle and remove from deck. 3. Slowly release the tension on the short belt idler until all the tension is removed from the springs. 5. Remove old hydro pump belt from right hand hydrostat sheave first (Figure 17). 4. Remove short mower belt from right blade spindle and from deck.
Level the mower with the slots where 4 chains fasten to the mower mounting brackets (Figure 20). Lowest Cutting Height 1. Shut off engine. Engage parking brake. Remove the ignition key. 2. Raise mower deck to its highest position and place 4.75 in. (12.1 cm) tall blocks at each rear corner and 4.625 in. (11.7 cm) tall blocks at each front corner. Highest Cutting Height 3. Lower deck onto the blocks. Figure 18 4.
LONG TERM STORAGE Clean unit thoroughly with mild soap and low pressure water and lubricate (See Lubricate Unit on page 20 in Maintenance). Touch up all scratched painted surfaces. WARNING: AVOID INJURY. Read and understand entire Safety section before proceeding. Remove weight from wheels by putting blocks under frame or axle. SHORT TERM NEVER spray unit with high pressure water or store unit outdoors. Inspect unit for visible signs of wear, breakage or damage.
TROUBLESHOOTING PROBLEM PROBABLE CAUSE PTO or mower blades do not engage or shuts off. CORRECTION 1. Depress operator presence switch by sitting on seat. 2. Turn off the alarm that deactivates the PTO on a regular schedule. See Eye-Q Owner’s Manual. 3. Check the mower deck for clogging or debris. Check the electrical system to the clutch for damage or wear. 4. See your Gravely Dealer. 1. Operator presence switch not depressed. 2. Eye-QTM alarm setting is turned on. 3.
SPECIFICATIONS Model Number Model 992066 992067 992068 992069 992070 992071 992072 252Z 260Z 260Z 260Z 272Z 252Z 272Z 185 (73) 216 (85) 165 (65) 216 (85) 510.2 (1125) 532.9 (1175) 476.2 (1050) 532.9 (1175) Length – cm (in) 203 (80) Height – cm (in) 127 (50) Width – cm (in) 165 (65) Weight Actual – kg (lbs) 476.
2-Year Limited Warranty Gravely Division of Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.gravely.com Gravely Division of Ariens Company (Gravely) hereby warrants to the original consumer purchaser that all Gravely Two-Wheel, Professional G, Pro, and ProMaster products will be free from defects in material and workmanship for a period of two (2) years from the date of purchase or 1000 hours, whichever comes first.
GRAVELY A Division of Ariens Company 655 West Ryan Street P.O. Box 157 Brillion, WI 54110-0157 920-756-2141 Fax 920-756-2407 www.gravely.