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Safety Instructions & Operator’s Manual for
21” STEEL DECK
WALK MOWERS
(TYPE ‘M’)
SERIES 18
MODELS
MR216518B
MRP216518B
MODEL NUMBER EXPLANATION
MR P 21 65 18 B
MODEL DESIGNATION ENGINE DESIGNATION
SELF-PROPELLED SERIES DESIGNATION
CUTTING WIDTH ENGINE HORSE POWER *
M – Model Designation P – Self Propelled Model 65 – 6.5 HP * B – Briggs & Stratton
R – Recycling Model 21 – 21” Cutting Width 18 – Series Designation
Th
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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. Each person operating the machine must be of sound mind
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IMPORTANT SAFETY INSTRUCTIONS SAFE HANDLING OF GASOLINE OPERATION (Continued From Previous Page) (Continued From Previous Column) 3. DO NOT remove fuel cap or add fuel with the engine 11. Before cleaning, repairing or inspecting make running. Allow the engine to cool before refueling. certain engine, blade and all moving parts have 4. DO NOT refuel the machine indoors. STOPPED. Disconnect and secure spark plug wire 5. DO NOT store the machine or fuel container inside away from plug to p
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IMPORTANT SAFETY INSTRUCTIONS MAINTENANCE AND STORAGE (Continued From Previous Page) 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. Use only genuine SNAPPER replacement parts to assure that original standards are maintained. 4
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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.........
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Section 1 - FAMILIARIZATION WHEEL DRIVE BLADE IMPORTANT CONTROL CONTROL The figures and illustrations in this manual are provided for reference only and may differ from GROUND SPEED your specific model. Contact your Snapper CONTROL dealer if you have questions. ROPE START HANDLE FUEL FILLER OIL FILL CAP CAP AND DIPSTICK REAR HEIGHT ENGINE ADJUSTMENT PRIMER LATCH RECYCLING COVER FRONT HEIGHT
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Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECK LIST 2.2 STARTING & OPERATION Make the following checks and perform the service 2.2.1. ENGINE & BLADE required before each start-up. 1. Push primer button three times to start a cold 2.1.1. Check guards, deflectors, grass bag, adapter engine. See Figure 2.3. NOTE: The primer should and covers to make sure all are in place and not be required to restart a warm engine. securely tightened. 2.1.2. Check blade control and wheel drive
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Section 2 - OPERATING INSTRUCTIONS 2.2 STARTING & OPERATION 2. Move upper mower handle up or down until the 2.2.2. PROPELLING MOWER desired position is achieved. (Self Propelled Models Only) 3. Tighten the lower nuts on each lower handle to 1. Start engine. Refer to Section “Starting & maintain desired position. Operation”. 2. Move ground speed control to the desired speed WARNING position. See Figure 2.5. Stop engine and mower blade by releasing the blade 3. Move wheel drive co
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Section 2 - OPERATING INSTRUCTIONS 2.8 INSTALLATION of RECYCLING PLUG WARNING (Optional Accessory on Some Models) DO NOT attempt any maintenance, adjustments or STEP 1: Once adapter has been installed, recycling may service with engine and blade running. STOP engine be desired. Insert recycling plug completely and securely and blade. Disconnect spark plug wire and secure into adapter. Install grass bag. See Figure 2.10. away from spark plug. Engine and components are HOT. Avoid se
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Section 2 - OPERATING INSTRUCTIONS HOOK BAG WARNING HANDLE OVER DO NOT attempt any maintenance, adjustments or LOWER HANDLES 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. 2.9 INSTALLATION of GRASS CATCHER – DOOR BAG (Optional accessory on some models) MIDDLE HANDLE CROSS BAR SLIDE CONNECTOR OVER
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Section 2 - OPERATING INSTRUCTIONS 2.13 INSTALLATION of RECYCLING COVER WARNING (Optional Accessory on Some Models) DO NOT attempt any maintenance, adjustments or It will be necessary to remove bag adapter and grass service with engine and blade running. STOP bag or discharge deflector before installing recycling cover. See previous section for instructions. Install the engine and blade. Disconnect spark plug wire and recycling cover and secure to the side and top of the secure away
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Section 3 – MAINTENANCE 3.1 INTRODUCTION To retain the quality of the mower, use genuine 3. Dispose of drain oil properly. SNAPPER replacement parts only. Contact a local 4. Fill engine with oil as specified in Engine Manual. SNAPPER dealer for parts and service assistance. Do Not overfill. 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. Roll machi
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Section 3 – MAINTENANCE 3.2.5. CHECK TRANSMISSION POLY-V BELT WARNING 1. Visually check poly-v belt for cracking, fraying, DO NOT attempt any maintenance, adjustments or severed or belt strands exposed. If worn or service with engine and blade running. STOP engine damaged, replace belt before operating mower. and blade. Disconnect spark plug wire and secure RECOMMENDED away from spark plug. Engine and components are BLADE RETAINING HOT. Avoid serious burns, allow sufficient time fo
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Section 4 - REPAIR & ADJUSTMENTS 2. Replace the blade if it is badly chipped, bent, WARNING noticeably out of balance or has cracks or notch in DO NOT attempt any maintenance, adjustments or either tip. See Figure 4.1 & 4.1A. Replace with new service with engine and blade running. STOP engine blade. and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are WARNING HOT. Avoid serious burns, allow sufficient time for DO NOT use a cutting blade
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Section 4 - REPAIR & ADJUSTMENTS CLUTCH CABLE WARNING DO NOT attempt any maintenance, adjustments or VINYL SPRING service with engine and blade running. STOP engine 1/16” TO 1/8” CLUTCH CABLE and blade. Disconnect spark plug wire and secure CLEARANCE EYE away from spark plug. Engine and components are UPPER SPRING HOT. Avoid serious burns, allow sufficient time for SPRING HOOK all components to cool. LOWER SPRING 4. Sharpen blade on a grinding wheel at an angle of 22 to 28 d
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Section 4 - REPAIR & ADJUSTMENTS IMPORTANT: If machine drive system continues WARNING slipping see Trouble Shooting section. DO NOT attempt any maintenance, adjustments or USE service with engine and blade running. STOP engine NEEDLE and blade. Disconnect spark plug wire and secure NOSE PLIERS TO away from spark plug. Engine and components are INSTALL HOT. Avoid serious burns, allow sufficient time for DRIVE all components to cool. SPRING 4.3 DRIVEN AND DRIVE DISC SERVICE
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Section 4 - REPAIR & ADJUSTMENTS WARNING 1/8” MEASUREMENT TO OUTSIDE EDGE OF DRIVE DO NOT attempt any maintenance, adjustments or DISC service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure DRIVE SLIDE DRIVEN DISC away from spark plug. Engine and components are DISC ASSEMBLY HOT. Avoid serious burns, allow sufficient time for TOWARD OUTSIDE all components to cool. EDGE 4.3.3. DRIVEN DISC ADJUSTMENT TRANSFER ROD (Continued From Pr
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Section 4 - REPAIR & ADJUSTMENTS 4.3.5. Replacing Bearing In Driven Disc Assembly WARNING IMPORTANT: The bearing, on these machines, is DO NOT attempt any maintenance, adjustments or staked into the thrust plate. The bearing will have to be driven out with a mallet and a large punch. A new service with engine and blade running. STOP engine bearing with four retaining screws will have to be and blade. Disconnect spark plug wire and secure purchased to replace existing bearing. away fr
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Section 4 - REPAIR & ADJUSTMENTS 4.4 BELT SERVICE WARNING On self-propelled mowers, the engine belt transmits DO NOT attempt any maintenance, adjustments or power from engine to drive disc. The drive disc powers the poly-v belt, which engages the service with engine and blade running. STOP engine transmission that powers the rear wheels. Should and blade. Disconnect spark plug wire and secure these belts become worn, they could cause slippage, away from spark plug. Engine and compone
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Section 4 - REPAIR & ADJUSTMENTS PULLEY POSITION WARNING DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine DRIVE DISC and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are SLOT IN END HOT. Avoid serious burns, allow sufficient time for OF DRIVE DISC BOLT all components to cool. BUSHING 4.4.1. Engine Drive Belt Replacement (Stretch Type Belts) DECK BRACKET (PARTIALL
