Snapper 421620BVE Safety Instructions & Operator's Manual
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Snapper 421620BVE Safety Instructions & Operator's Manual

Snapper 421620BVE Safety Instructions & Operator's Manual

Series 20 rear engine riding mower
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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 SAFETY INSTRUCTIONS" on Pages 2 & 3. Remember
that all power equipment can be dangerous if used improperly. Also keep in mind that SAFETY requires careful
use in accordance with the operating instructions and common sense!
COPYRIGHT © 2000
SNAPPER INC.
ALL RIGHTS RESERVED
MANUAL No. 7-3543 (I.R. 3/29/00)

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Summary of Contents for Snapper 421620BVE

  • Page 1 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 SAFETY INSTRUCTIONS” on Pages 2 & 3. Remember that all power equipment can be dangerous if used improperly. Also keep in mind that SAFETY requires careful use in accordance with the operating instructions and common sense! COPYRIGHT ©...

  • Page 2: Important Safety Instructions

    If you have any questions pertaining to your machine which your dealer cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough, Georgia 30253. Phone: (1-800-935-2967).
  • Page 3 14. Have machine serviced by an authorized repair SNAPPER dealer at least once a year and have the dealer install any new safety devices. 15. Use only genuine SNAPPER replacement parts assure SLOWLY maintained.

  • Page 4: Table Of Contents

    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 ...6 Operator’s Seat Adjustment...6 Starting & Stopping Engine, Blades & Wheel Drive ...7-10 Starting & Stopping Mower Blades ...9-10 Starting &...

  • Page 5: Section 1 - Familiarization

    BELT COVER FIGURE 1.1 1.2 NOMENCLATURE The nomenclature drawing above, Figure 1.1, shows the essential parts of the SNAPPER Rear Engine Rider. It is recommended that all operator’s of this equipment become thoroughly components, and operation of this machine before operating.

  • Page 6: Section 2 - Operating Instructions

    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.

  • Page 7: Starting & Stopping Engine, Blades & Wheel Drive

    Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 2.3.1. ENGINE (ELECTRIC START) IMPORTANT: When the ignition key is turned to “START”, the engine will turn over, but will not start unless the Clutch/Brake pedal is pressed all the way down, the Blade Lever is in the “Off”...

  • Page 8: Parking Brake

    Section 2 - OPERATING INSTRUCTIONS 2.3 STARTING & OPERATION 2.3.1. ENGINE (ELECTRIC START) (Continued) 8. Should the battery be too weak to start the engine, 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 “RUN”, and the recoil handle is pulled, the engine will turn over, but will not start unless the...

  • Page 9: Starting & Stopping Mower Blades

    3 seconds, the blade brake must be adjusted. Refer to Section “BLADE BRAKE ADJUSTMENT” for adjustment procedures or return machine to an authorized SNAPPER dealer for adjustment. DO NOT CONTINUE to operate machine until blade brake is adjusted and functioning properly.
  • Page 10 3 seconds, the blade brake must be adjusted. Refer to Section “BLADE BRAKE ADJUSTMENT” for adjustment procedures or return machine to an authorized SNAPPER dealer for adjustment. DO NOT CONTINUE to operate machine until blade brake is adjusted and functioning properly.

  • Page 11: Cutting Height Adjustment

    Section 2 - OPERATING INSTRUCTIONS 2.4 STOPPING - ENGINE, WHEEL DRIVE, BLADE 2.4.4. PARK BRAKE 1. Engage park brake by pushing clutch/brake pedal “DOWN” and moving the park brake lever to the “ON” position. While holding the park brake lever “ON”, release clutch/brake pedal to set park brake.

  • Page 12: Reverse Lockout Mechanism

    DO NOT operate machine if Reverse Lockout Mechanism is not functioning properly. Contact your local Snapper dealer for assistance. Reverse Lockout Mechanism Override Stop machine. Stop blade. Depress and hold Override Lever.

  • Page 13: Section 3 - Maintenance Instructions

    SNAPPER dealer annually for inspection and addition of any new devices, which might upgrade the safety of the Rear Engine Rider. For the nearest SNAPPER dealer in your area, check the yellow pages under the heading LAWN MOWERS. For engine parts and service, look for the engine manufacturer’s dealers...

  • Page 14: Check Blade Drive Belt

    2. The operator leaves the operator position with Blade Control “ON” and/or clutch/brake pedal is released. DO NOT operate machine if interlock system is not functioning properly. Contact your SNAPPER dealer immediately for assistance. TOP VIEW OF BELT ROUTING RIGHT...

  • Page 15: Reverse Lockout Mechanism

    3. Shift lever must not go into reverse. WARNING DO NOT operate machine if Reverse Lockout Mechanism is not functioning properly. Contact your SNAPPER dealer immediately for assistance. 3.2.9. LUBRICATION – GREASE FITTINGS The following components on the Rear Engine Rider are equipped with grease fittings and require periodic lubrication.

  • Page 16: Differential/Chain Case - Lubrication

    2. To check lubricant, remove fill/level plug and visually inspect for lubricant on the internal parts of the differential. If no lubricant is visible on the internal parts of the differential, add “SNAPPER Transmission” grease as needed. See Figure 3.7. FILL PLUG...

  • Page 17: Every Two Years

    Rear Engine Rider should be carefully inspected every two years for wear or damage. Replace worn or damaged parts with genuine SNAPPER replacement parts available from an authorized SNAPPER dealer. 3.5.1. All bushings and pivot areas. 3.5.2. Check both front wheel king pins.

  • Page 18: Section 4- Adjustments And Repair

    However, if there is difficulty in achieving these adjustments and repairs, it is recommended that these repairs be made by an authorized SNAPPER dealer. WARNING Once blade is disengaged it should come to a stop in 3 seconds or less.

  • Page 19: Mower Deck Adjustment (Side To Side Levelness)

    Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT.

  • Page 20: Mower Deck Adjustment (Front To Rear Levelness)

    Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT.

  • Page 21: Rear Engine Rider Drive Components

    The following drive components may be adjusted by the owner. However, it is recommended that all adjustments to the Rear Engine Rider be made by an authorized SNAPPER dealer. 4.3.1. CLUTCH - STARTING MOTION ADJUSTMENT If the Rear Engine Rider clutch is too positive or...

  • Page 22: Wheel Brake Adjustment

    Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT.

  • Page 23: Blade Sharpening

    Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT.
  • Page 24 Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT.

  • Page 25: Battery Removal, Replacement, Service

    Section 4 - ADJUSTMENTS & REPAIR WARNING DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. Stop engine. Stop blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT.
  • Page 26 Section 4 - ADJUSTMENTS & REPAIR WARNING The electrolyte (acid) produces a highly explosive gas. Keep all sparks, flame and fire away from area when charging battery or when handling electrolyte or battery. Electrolyte (acid) is a highly corrosive liquid. Wear eye protection.

  • Page 27: Accessories

    100% Charged 75% Charged 50% Charged 25% Charged 0% Charged SNAPPER REAR ENGINE RIDER ACCESSORIES PART NO. DESCRIPTION OF KIT 6-0517... Wheel Weight (8” Wheels)... All Rear Engine Riders 6-0601... Smooth Start Clutch ... All Rear Engine Riders 6-0697... Dump Cart... All Rear Engine Riders 6-1400...

  • Page 28: Troubleshooting

    1. Fill fuel tank with fresh fuel to proper level. 2. Move choke control to “CHOKE” position. 3. Place spark plug wire onto spark plug. 4. Contact authorized SNAPPER dealer. 5. Engage park brake. 6. Turn ignition switch to the RUN position.
  • Page 29 PROBABLE CAUSE CORRECTIVE ACTION 1. Replace drive disc. 2. Adjust rubber drive disc. 3. Replace with SNAPPER tapered bolt & nut. 4. Contact authorized SNAPPER dealer. 5. Contact authorized SNAPPER dealer. 1. Move lever to the “ON” position. 2. Adjust or replace mower belt.

  • Page 30: Maintenance Schedule

    SUBJECT SERVICE TO BE PERFORMED Engine Check Oil Level Tires Check Pressures Engine Initial Oil Change Engine Periodic Oil Change Air Pre-Cleaner Service Sponge Pre- Cleaner Element Air Cleaner Replace Element Spark Plug Replace Plugs Fuel Filter Replace Filter Engine Cooling Clean Shrouds &...

  • Page 31: 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.

  • Page 32: Primary Maintenance

    PRIMARY MAINTENANCE...
  • Page 33 PRIMARY MAINTENANCE...
  • Page 34 PRIMARY MAINTENANCE...
  • Page 35 PRIMARY MAINTENANCE...
  • Page 36 Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on the machine, engine and attachments. If you have any questions about your Snapper product, contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper, McDonough, GA.

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