Safety Instructions & Operator’s Manual for 21” STEEL DECK WALK MOWERS “M” MODEL SERIES 17 MODELS PUSH MODEL PROPELLED MODEL MR216017B MR216017BV WMR216017B WMR216017BV MR216517B MRP216017B MRP216017BV WMRP216017B MRP216517B MODEL NUMBER EXPLANATION M R MODEL DESIGNATION SELF-PROPELLED CUTTING WIDTH M – Model Designation P – Self Propelled Model W – Model Designation R – Recycling Model 21 – 21” Cutting Width 60 – 6.0 HP 65 – 6.
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 SAFE HANDLING OF GASOLINE OPERATION (Continued From Previous Page) 3. DO NOT remove fuel cap or add fuel with the engine running. Allow the engine to cool before refueling. 4. DO NOT refuel the machine indoors. 5. DO NOT store the machine or fuel container inside where there is an open flame, spark or pilot light such as on a water heater or other appliances. 6. DO NOT fill fuel containers inside a vehicle or on a truck or trailer bed with a plastic liner.
IMPORTANT SAFETY INSTRUCTIONS MAINTENANCE AND STORAGE (Continued From Previous Page) 9. Mower blades are sharp and can cut. Wrap the blades or wear heavy leather gloves and use CAUTION when handling them. 10. DO NOT test for spark by grounding spark plug next to spark plug hole; spark plug could ignite gas exiting engine. 11. Have machine serviced by an authorized SNAPPER dealer at least once a year and have the dealer install any new safety devices. 12.
TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS.............................................. 2 - 4 TABLE OF CONTENTS ............................................................................ 5 SECTION 1 - FAMILIARIZATION.............................................................. 6 SECTION 2 - OPERATING INSTRUCTIONS....................................... 7-11 Pre-start Checklist......................................................................................................
Section 1 - FAMILIARIZATION GROUND SPEED CONTROL UPPER HANDLE WHEEL DRIVE CONTROL ROPE START HANDLE FAST SLOW BLADE CONTROL KNOB MID-HANDLE KNOB BRIGGS & STRATTON ENGINE PRIMER BULB – LOCATED AT FRONT OF ENGINE REAR HEIGHT ADJUSTMENT LEVER LOWER HANDLE TECUMSEH ENGINE PRIMER BULB – LOCATED ON RIGHT SIDE OF ENGINE OIL FILL CAP & DIPSTICK FUEL FILLER CAP MUFFLER REAR WHEEL MOWER DECK ENGINE AIR FILTER COVER RECYCLING DECK COVER FRONT WHEEL FRONT HEIGHT ADJUSTMENT LEVERS PRIMER BULB (SEE I
Section 2 - OPERATING INSTRUCTIONS 2.1.6. Clean exterior surfaces of cutting deck and engine of any accumulation of spilled fuel, dirt, grass, oil, etc. Keep engine air intake screen and cooling fins clear at all times. 2.1 PRE-START CHECK LIST Make the following checks and perform the service required before each start-up. 2.1.1. Check guards, deflectors, grass bag, adapter and covers to make sure all are in place and securely tightened. 2.1.2.
Section 2 - OPERATING INSTRUCTIONS 2.2 STARTING & OPERATION HIGHER WARNING LOWER HANDLE Stop engine and mower blade by releasing the blade control before adjusting ground speed. 2.2.2. PROPELLING MOWER (Self Propelled Model Only) 1. Stop engine and mower blade by releasing the blade control before adjusting ground speed. Move ground speed control to the desired speed position. See Figure 2.4. 2. Start engine. Refer to Section “Starting & Operation”. 3.
Section 2 - OPERATING INSTRUCTIONS INSTALLATION of RECYCLING PLUG (Optional Accessory on Some Models) STEP 1: Once adapter has been installed, recycling may be desired. Insert recycling plug completely and securely into adapter. Install grass bag. See Figure 2.8. WARNING DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT.
Section 2 - OPERATING INSTRUCTIONS B. Position grass bag between handles. See Figure 2.12. Install grass bag by sliding connector over flange of adapter. Attach grass bag hooks over middle handle cross bar. See Figure 2.13. WARNING DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
Section 2 - OPERATING INSTRUCTIONS WARNING SLIDE DEFLECTOR SLOT INSTALL DISCHARGE DEFLECTOR DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. 2.10 INSTALLATION of DISCHARGE DEFLECTOR (Optional Accessory On Some Models) Install discharge deflector if discharging is desired.
Section 3 - MAINTENANCE 3.1 INTRODUCTION To retain the quality of the mower, use genuine SNAPPER replacement parts only. Contact a local SNAPPER dealer for parts and service assistance. For the correct part or information for a particular mower, always mention model and serial number. 3.2.2. CHECK GREASE LEVEL IN TRANSMISSION 1. Remove transmission fill plug. See Figure 3.2. 2.
Section 3 - MAINTENANCE 3.2.4. CHECK ENGINE DRIVE BELT 1. Visually check engine drive belt for cracking, fraying, severed or belt strands exposed. If worn or damaged, replace belt before operating mower. 3.2.2. CHECK GREASE LEVEL IN TRANSMISSION NOTE: Do not spill grease or oil on surface of drive disc. See Figure 3.3. 3. Reinstall transmission plug. 4. Check grease level after each 25 hours of operation. 3.2.5. CHECK TRANSMISSION POLY-V BELT 1.
Section 4 - ADJUSTMENTS & REPAIR 2. Replace the blade if it is badly chipped, bent, noticeably out of balance or has cracks or notch in either tip. See Figure 4.1 & 4.2. Replace with new blade. WARNING DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
Section 4 - ADJUSTMENTS & REPAIR WARNING CLUTCH CABLE DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. VINYL SPRING COVER CLUTCH CABLE EYE 1/16” TO 1/8” CLEARANCE UPPER SPRING LOWER SPRING SPRING HOOK 4. Sharpen blade on a grinding wheel at an angle of 22 to 28 degrees.
Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. USE NEEDLE NOSE PLIERS TO INSTALL DRIVE SPRING 4.3 DRIVEN AND DRIVE DISC SERVICE If the mower does not propel itself properly, See Figure 4.6.
Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. SLIDE DRIVEN DISC ASSEMBLY TOWARD OUTSIDE EDGE 4.3.3. DRIVEN DISC ADJUSTMENT (Continued From Previous Page) 2. Remove driven disc spring from driven disc assembly. Loosen connector hex nut.
Section 4 - ADJUSTMENTS & REPAIR 4.3.5. Replacing Bearing In Driven Disc Assembly IMPORTANT: The bearing, on these “M” series machines, is staked into the thrust plate. The bearing will have to be driven out with a mallet and a large punch. A new bearing with four retaining screws will have to be purchased to replace existing bearing. If the driven disc bearing requires replacement, remove the driven disc assembly and replace bearing as follows: 1.
Section 4 - ADJUSTMENTS & REPAIR 4.4 BELT SERVICE On self-propelled mowers, the engine belt transmits power from engine to drive disc. The drive disc powers the poly-v belt, which engages the transmission that powers the rear wheels. Should these belts become worn, they could cause slippage which would impair mower performance. The condition of the engine belt and poly-v belt should be checked after every 25 hours of mower operation.
Section 4 - ADJUSTMENTS & REPAIR 9. Loop the belt around the pulley on the bottom of the drive disc. 10. Reinstall drive disc and retaining hardware. IMPORTANT: 1) The square shoulder of the drive disc bolt must fit into the square hole of the bushing. 2) The square end of bushing must fit into the bracket slot. 11. Reinstall belt cover and tighten bolts securely. 12. Reinstall blade hub and cutter blade. Recommended torque for blade cap screw is 40 ft. lbs.
TROUBLESHOOTING PROBLEM Engine Will Not Start Using Recoil Starter PROBABLE CAUSE 1. Fuel tank empty. 2. Engine needs choking or priming. CORRECTIVE ACTION 1. Fill fuel tank with fresh fuel. 2.Choke/Prime. Check Engine Manual for Instructions. 3. Place spark plug wire onto spark plug. 3. Spark plug wire disconnected. Engine Stalls or Stops 1. Blade control is released or is not being held securely against handle. After Running 2. Fuel tank empty. 3. Engine air pre-cleaner and or air cleaner dirty. 4.
SERVICE SCHEDULE ITEM SERVICE PERFORMED Engine Oil REF.
3 YEAR LIMITED WARRANTY For three (3) years from purchase date for the original purchaser's residential, non-commercial use, SNAPPER, through any authorized 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.
SNAPPER PRODUCT REGISTRATION FORM IMPORTANT: KEEP THIS INFORMATION FOR YOUR PERSONAL RECORDS (Complete the following information on your Snapper purchase) Model Number ________________________________________________________ Serial Number _________________________________________________________ Date of Purchase _______________________________________________________ Retailer _______________________________________________________________ Retailer’s Phone Number_____________________________________________
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Safety Instructions & Operator’s Manual for 21” STEEL DECK WALK BEHIND MOWERS “M” MODEL SERIES 17 IMPORTANT Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured. The labels on those engines contain very important emissions information and critical safety warnings. Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on the machine, engine and attachments.
