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Safety Instructions & Operator’s Manual for
REAR ENGINE RIDING MOWER
SERIES 20
MODEL
421620BVE
MODEL NUMBER EXPLANATION
42 16 20 B V E
CUTTING WIDTH ENGINE OPTIONS
ENGINE HP ENGINE TYPE
SERIES DESIGNATION ENGINE MODEL
42 - 42” Cutting Deck 16 - 16.0 HP Engine 20 - Series B - Briggs Engine V - Over Head Valve E - Electric Start
Designation
Thank you for buying a SNAPPER Product! Before operating your REAR ENGINE RIDER, read this manual
carefully and pay particular attention to the “IMPORTANT SAF
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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 and bo
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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 devices frequently
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TABLE OF CONTENTS IMPORTANT SAFETY INSTRUCTIONS.........................................................................2-3 TABLE OF CONTENTS......................................................................................................4 SECTION 1 - FAMILIARIZATION.......................................................................................5 SECTION 2 - OPERATING INSTRUCTIONS................................................................6-12 Pre-start Checklist ................
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Section 1 - FAMILIARIZATION FUEL FILLER CAP VENT STEERING TRANSMISSION SHIFT LEVER WHEEL FUEL TANK OPERATOR’S SEAT REAR BUMPER DECK LIFT LEVER CONTROL PANEL OVERRIDE (SEE INSERT) LEVER CLUTCH/BRAKE PEDAL DISCHARGE DEFLECTOR CONTROL PANEL IGNITION BLADE SWITCH PEDALS REMOTE CHOKE BLADE ENGINE SPEED LOCATED ON LEFT LEVER CONTROL SIDE OF SEAT PARK MOWER BRAKE DECK LEVER MOWER BELT COVER FIGURE 1.1 1.1 INTRODUCTION 1.2 NOMENCLATURE This manual has been prepared for the operator’s of the The nomenc
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Section 2 - OPERATING INSTRUCTIONS 2.1 PRE-START CHECK LIST Make the following checks and perform the service required before each start-up. 2.1.1. Check tires and add or release air as needed to bring pressure to 12 psi in front and 12 psi in rear tires. 2.1.2. Check guards, deflectors and covers to make SHOWN “OFF” FUEL sure all are in place and securely tightened. FUEL OPEN FILLER VALVE 2.1.3. Check engine oil and add oil as needed to VENT CAP bring level up to the FULL mark. Refer to engine
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION TO APPLY 2.3.1. ENGINE (ELECTRIC START) BRAKES, PUSH IMPORTANT: When the ignition key is turned to CLUTCH/BRAKE “START”, the engine will turn over, but will not start PEDAL ALL THE unless the Clutch/Brake pedal is pressed all the way WAY DOWN. 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. DO NOT start
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Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 4. Open vent on fuel filler cap by turning 2.3.1. ENGINE (ELECTRIC START) (Continued) counterclockwise. NOTE: Failure to open vent on 8. Should the battery be too weak to start the engine, the fuel filler cap can cause engine to stall. See Refer to Section “ENGINE (MANUAL START)” to Figure 3. manually start the electric start engines. 5. Move engine speed control to the medium position and the choke control is in the choke position 2.3.
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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 ADJUSTMENT” for adjustment procedures or return DEPRESS machine to an authorized SNAPPER dealer for CLUTCH/BRAKE adjust
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Section 2 - OPERATING INSTRUCTIONS TO APPLY WARNING BRAKES, PUSH DO NOT leave machine with the engine running. CLUTCH/BRAKE Stop engine. Stop blade. Shift to neutral. Engage PEDAL ALL THE WAY DOWN. 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. RUN START OFF FIGURE 2.14 KEY FIGURE 2.13 2.4.2. WHEEL DRIVE 1. Stop motion of Rear Engine Rider by pushing clutch/brake pedal all the way “DOWN” to
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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 six 1. Engage park brake by pushing clutch/brake pedal positions using deck lift lever. When in desired height of cut, release latch, then try to move deck “DOWN” and moving the park brake lever to the “ON” lift lever to ensure lift lever latch is fully engaged. position. While holding the park brake lever “ON”, release c
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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 view this potenti
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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 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 7. Change oil filter at every oil change. R
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Section 3 - MAINTENANCE TOP VIEW OF BELT ROUTING WARNING DO NOT attempt any adjustments, maintenance, LEFT service or repairs with the engine running. STOP RIGHT SPINDLE engine. STOP blade. Engage parking brake. Remove SPINDLE PULLEY PULLEY key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are 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. 3.2 SERVIC
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Section 3 – MAINTENANCE 4. Clean underside of mower deck, removing all 3.2.8. REVERSE LOCKOUT MECHANISM accumulation of grass clippings and debris. Check function of Reverse Lockout Mechanism with 5. Clean top of deck, removing all grass clippings and engine off. debris. 1. Depress and hold blade pedals. 2. Depress and hold clutch/brake pedal. 3.3.5. MOWER BLADE SPINDLE - LUBRICATION 3. Shift lever must not go into reverse. 1. Follow WARNING statement found on this page. 2. Check fuel level in t
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Section 3 - MAINTENANCE CHAIN WARNING CASE DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove AXLE spark plug wire from spark plug and secure away from BOOT plug. Engine and components are 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. 3.3 SERVICE - EVERY 25 OPERATING HOURS FILL/LEVEL (Cont
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Section 3 - MAINTENANCE 3.7 REMOVING FUEL TANK WARNING Before removing fuel tank from rear engine rider, DO NOT attempt any adjustments, maintenance, move rider outdoors where fumes can be easily service or repairs with the engine running. STOP dissipated. Removal of the tank is accomplished engine. STOP blade. Engage parking brake. Remove from the left side of the machine by pulling the tank key. Remove spark plug wire from spark plug and straight up and away from the fuel tank bracket. Holding
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Section 4 - ADJUSTMENTS & REPAIR 4.2.2. BLADE BRAKE ADJUSTMENT WARNING The automatic Blade Brake should stop the blades within 3 seconds anytime the blades are DO NOT attempt any adjustments, maintenance, service disengaged by moving blade lever to the "OFF" or repairs with the engine running. STOP engine. STOP position or by releasing the Blade Pedals. When the blade. Engage parking brake. Remove key. Remove Blade Brake is properly adjusted there should be spark plug wire from spark plug and se
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Section 4 - ADJUSTMENTS & REPAIR 4.2.4. MOWER DECK ADJUSTMENT WARNING (Side To Side Levelness) DO NOT attempt any adjustments, maintenance, Before making deck leveling adjustments, check service or repairs with the engine running. STOP the tire pressure. Front tires 12 psi, rear tires 12 psi. engine. STOP blade. Engage parking brake. Remove If tires are properly inflated and mowing is still uneven, key. Remove spark plug wire from spark plug and adjust side-to-side deck levelness as follows: 1.
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Section 4 - ADJUSTMENTS & REPAIR 4.2 MOWER DECK & COMPONENT ADJUSTMENTS WARNING 4.2.6. CUTTING HEIGHT ADJUSTMENT The cutting height range of the mower can be DO NOT attempt any adjustments, maintenance, adjusted. service or repairs with the engine running. STOP 1. Place the Rear Engine Rider on a smooth, level engine. STOP blade. Engage parking brake. Remove surface. key. Remove spark plug wire from spark plug and 2. Place blocks under mower deck. Lower deck secure away from plug. Engine and com
