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Safety Instructions & Operator’s Manual for
REAR ENGINE RIDING MOWER
SERIES 21
MODEL
M250821BE
M280921B
M281021BE
M300921B
M301021BE
WM280921B
WM301021BE
MODEL NUMBER EXPLANATION
WM 28 10 21 B E
MIDDLE MARKET ENGINE OPTIONS
CUTTING WIDTH ENGINE TYPE
ENGINE HP SERIES DESIGNATION
WM - Middle Market 25 - 25” Cutting Deck 08 - 8.0 HP Engine 21 - Series B - Briggs Engine E - Electric Start
28 - 28” Cutting Deck 09 - 9.0 HP Engine Designation
30 - 30”
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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 PREPARATION OPERATION (Continued From Previous Page) (Continued From Previous Column) 7. Keep people and pets out of mowing area. 14. Exercise CAUTION when pulling loads. Limit Immediately STOP blades, STOP engine, and loads to those you can safely control and attach STOP machine if anyone enters the area. loads to hitch plate as specified with SNAPPER 8. Check shields, deflectors, switches, blade attachment instructions. controls and other safety devic
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TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS.................... 2-3 SECTION 4- ADJUSTMENTS AND REPAIR..........18-26 Engine Adjustments & Repair......................................... 18 TABLE OF CONTENTS..................................................4 Mower Deck & Component Adjustments....................... 18 Mower Drive Belt Adjustment ......................................... 18 SECTION 1 - FAMILIARIZATION ...................................5 Blade Brake Adjustment........
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Section 1 – FAMILIARIZATION+ FUEL FILLER CAP VENT OPERATOR’S SEAT FUEL TANK STEERING WHEEL ENGINE SPEED REAR CONTROL BUMPER DECK LIFT LEVER CLUTCH/BRAKE PEDAL TRANSMISSION SHIFT LEVER OVERRIDE LEVER MOWER BELT COVER DISCHARGE DEFLECTOR BLADE LEVER BLADE PEDALS PARK BRAKE MOWER LATCH DECK FIGURE 1.1 1.1 INTRODUCTION 1.2 NOMENCLATURE This manual has been prepared for the operator’s of the The nomenclature drawing above, Figure 1.1, shows the
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Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECK LIST Make the following checks and perform the service OPEN FUEL VENT required before each start-up. FILLER 2.1.1. Check tires and add or release air as needed CAP to bring pressure to 12 psi in front and 12 psi in rear tires. 2.1.2. Check guards, deflectors and covers to make sure all are in place and securely tightened. FUEL 2.1.3. Check engine oil and add oil as needed to TANK bring level up to the FULL mark. Refer to en
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION TO START ENGINE, 2.3.1. ENGINE (ELECTRIC START) PUSH CLUTCH/BRAKE IMPORTANT: When the ignition key is turned to PEDAL ALL THE WAY “START”, the engine will turn over, but will not start DOWN unless the Clutch/Brake pedal is pressed all the way down, the Blade Lever is in the “Off” position (See Figure 2.5).The operator should be in the seat. Start engine as follows: 1. Move transmission shift lever to (N) Neutral position
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 5. Move engine speed control to the choke position 2.3.1. ENGINE (ELECTRIC START) (Continued) to start a cold engine. See Figure 2.6 8. Should the battery be too weak to start the engine, 6. Turn key to “ON” position. See Figure 2.9. Refer to Section “ENGINE (MANUAL START)” to manually start the electric start engines. 2.3.2. ENGINE (MANUAL START) IMPORTANT: When the ignition key is turned to “ON”, and the recoil handle i
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Section 2 - OPERATING INSTRUCTIONS WARNING WARNING Once blade is disengaged, it should come to a DO NOT operate blades in reverse. STOP BLADES. complete stop in 3 seconds or less. If the blade LOOK and SEE behind and down for children, pets continues to rotate after 3 seconds, the blade brake and hazards before and while backing. must be adjusted. Refer to Section “BLADE BRAKE DEPRESS ADJUSTMENT” for adjustment procedures or return CLUTCH/BRAKE machine to an authorized SNAPPER deal
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Section 2 - OPERATING INSTRUCTIONS WARNING DO NOT leave machine with the engine running. CLUTCH/BRAKE Stop engine. Stop blade. Shift to neutral. Engage PEDAL parking brake. Remove key. 2.4 STOPPING - ENGINE, WHEEL DRIVE, BLADE 2.4.1. ENGINE 1. Stop engine by turning key to the “OFF” position. See Figure 2.13. TURN TO “OFF” POSITION PARK BRAKE LATCH SHOWN ENGAGED KEY FIGURE 2.14 BLADE LEVER (SHOWN IN “OFF” POSITION) FIGURE 2.13 BLADE PEDALS 2.4.2. WHEEL
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Section 2 - OPERATING INSTRUCTIONS 2.4 STOPPING - ENGINE, WHEEL DRIVE, BLADE 2.5. CUTTING HEIGHT ADJUSTMENT 2.4.4. PARK BRAKE 1. Adjust cutting height as desired to any one of 1. Engage park brake by pushing clutch/brake pedal five positions using deck lift lever. Move deck lift lever up or down to desired cutting height and then “DOWN” and moving the park brake latch to the move over to secure in the height of cut notch. “ENGAGED” position. While holding the park brake latch “ENGA
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Section 2 - OPERATING INSTRUCTIONS 2.6 REVERSE LOCKOUT MECHANISM 2.6.1. Reverse Lockout Mechanism Override 1. Stop machine. Stop blade. Data indicates that tragic back-over accidents occur 2. Depress and hold Override Lever. each year. These accidents usually involve 3. Depress and hold Blade Pedals. Release unsupervised children. Many times these children have Override Lever. been given rides on the machine and have been trained 4. Move blade lever forward to “ON” position. to vie
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Section 3 - MAINTENANCE 5. After all the oil has drained, close the drain and WARNING wipe up any oil that may have spilled. See Figure 3.1. DO NOT attempt any adjustments, maintenance, Dispose of used oil properly. service or repairs with the engine running. STOP 6. Fill engine crankcase with new oil. Refer to your engine. STOP blade. Engage parking brake. Remove engine owner’s manual for oil specifications. key. Remove spark plug wire from spark plug and secure away from plug.
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Section 3 - MAINTENANCE 3.2.5. BLADE BRAKE WARNING 1. Check blade brake for proper function. Blade should DO NOT attempt any adjustments, maintenance, service or stop rotating in 3 seconds or less after moving the blade repairs with the engine running. STOP engine. STOP blade. control lever to the “OFF” position or after releasing the Engage parking brake. Remove key. Remove spark plug blade pedals. wire from spark plug and secure away from plug. Engine and components are HOT. Avoi
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Section 3 - MAINTENANCE 3.2.9. LUBRICATION – GREASE FITTINGS The following components on the Rear Engine IMPORTANT: If the Rear Engine Rider will be on its Rider are equipped with grease fittings and rear bumper for longer than two hours, remove the require periodic lubrication. Apply General battery. Refer to Section “BATTERY REMOVAL”. Purpose grease (NLGI No.2) with a grease gun. 1. Front Wheel Bearings. Refer to Section 3.3.6. MOWER DECK LINKAGE - LUBRICATION “FRONT WHEEL BEARING
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Section 3 - MAINTENANCE 3.3 SERVICE - EVERY 25 OPERATING HOURS DIFFERENTIAL 3.3.8. REAR AXLE BEARING 1. The left rear axle bearing requires three shots of general purpose grease from grease gun. See Figure 3.7. NOTE: Some models are equipped with a pre- lubricated sealed bearing and require no additional lubrication. FILL/LEVEL 2. The right rear axle bearing is lubricated by the PLUG P.N. 1-1024 differential lubricant and requires no grease. LEFT REAR AXLE BEARING GREASE
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Section 3 - MAINTENANCE 3.4 SERVICE - ANNUALLY WARNING 3.4.1. Perform all maintenance as specified in DO NOT attempt any adjustments, maintenance, service “MAINTENANCE SCHEDULE” Section of this manual. or repairs with the engine running. Stop engine. Stop 3.4.2. FUEL FILTER blade. Engage parking brake. Remove key. Remove Service fuel filter as instructed below, on COLD spark plug wire from spark plug and secure away from ENGINE ONLY! plug. Engine and components are HOT. Avoid ser
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Section 4 - ADJUSTMENTS & REPAIR 4. If the distance is less than 1”, adjust belt tension. WARNING 5. Remove hairpin and flat washers from pivot stud. DO NOT attempt any adjustments, maintenance, See Figure 4.2. service or repairs with the engine running. Stop 6. Pull front frame forward until distance between engine. Stop blade. Engage parking brake. Remove belt, with blade lever “ON”, measures 1-1/4”. key. Remove spark plug wire from spark plug and secure away from plug. Engine an
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Section 4 - ADJUSTMENTS & REPAIR WARNING 1/8” TO 1/4” Once blade is disengaged it should come to a stop in 3 seconds or less. If the blade continues to rotate BLADE LATCH LEVER PLATE after 3 seconds the blade brake must be adjusted. DO NOT continue to operate the machine if the blade brake is not operating properly. 4.2.2. BLADE BRAKE ADJUSTMENT The automatic Blade Brake should stop the blades within 3 seconds anytime the blades are disengaged by moving blade lever to the "OFF"
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Section 4 - ADJUSTMENTS & REPAIR WARNING FLOOR DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. Stop FRONT engine. Stop blade. Engage parking brake. Remove REAR key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are X-1/8” HOT. Avoid serious burns, allow all parts to cool before working on machine. Fuel Filler Cap and Vent must be closed securely to prevent fuel spillage. HANGER 4.2.3. MOWER DE
