Troubleshooting - Snapper 421618BVE Safety Instructions & Operator's Manual

PROBLEM
EngineWill Not
Start Using
Recoil Starter
Engine Will Not
Start Using
Electric Starter
TROUBLESHOOTING
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PROBABLE CAUSE
Fuel tank empty. 1.
Engine needs choking. 2.
Spark plug wire disconnected. 3.
Faulty parking brake, blade or ignition switch. 4.
Park brake not engaged. 5.
Ignition is in the OFF position. 6.
Fuel tank empty. 1.
Engine needs choking. 2.
Spark plug wire disconnected. 3.
Faulty parking brake, blade or ignition switch. 4.
CORRECTIVE ACTION
Fill fuel tank with fresh fuel to proper level.
Move choke control to "CHOKE" position.
Place spark plug wire onto spark plug.
Contact authorized SNAPPER dealer.
Engage park brake.
Turn ignition switch to the RUN position.
Fill fuel tank with fresh fuel to proper level.
Move choke control to "CHOKE" position.
Place spark plug wire onto spark plug.
Contact authorized SNAPPER dealer.
Park brake not engaged. 5. Engage park brake.
Blown Fuse. 6. Replace with new 20 AMP fuse.
Faulty interlock module. 7. Contact authorized SNAPPER dealer.
8. Ignition is in the OFF position. 8.
9. Battery is weak or dead. 9.
10. Battery cables loose, broken disconnected or
corroded.
11. Faulty electric starter or starter solenoid.
12. Starter cable loose, broken or disconnected
13. Electrical wiring harness disconnected or broken.
1. Operator not in seat.
2. Choke control in the "CHOKE" position.
3. Fuel tank empty.
Engine Stalls After
Running
4. Engine air pre-cleaner and or air cleaner dirty. 4. Clean free of all debris.
5. Spark plug defective or gap set improperly. 5. Service spark plug.
6. Fuel filter restricted. 6. Replace fuel filter.
7. Water, debris or stale fuel in fuel system. 7. Drain and clean fuel system.
Engine Loses 1. Excessive load on engine. 1. Lessen load.
Power 2. Engine air pre-cleaner or air cleaner dirty 2. Clean or replace filters.
3. Spark plug faulty. 3. Service spark plug.
4. Water, debris or stale fuel in fuel system. 4. Drain and clean fuel system. Replace filter.
5. Debris build up on engine cooling screen. 5. Clean all debris from engine cooling screen.
Engine Backfires 1. Throttle control set too "FAST". 1. Set throttle control to "SLOW" and allow
When Turned To engine to idle. Then, turn key to "OFF".
"STOP"
Excessive Vibration 1. Damaged, out of balance or bent mower blades. 1. Service mower blade(s).
2. Loose blade components. 2. Service and tighten loose parts.
3. Loose or missing air lift (if equipped). 3. Replace air lifts. Tighten to proper torque.
4. Lumpy or frayed belt 4. Replace belt.
5. Bent Idler, stationary or spindle pulley 5. Replace pulley.
Turn ignition switch to the START position.
Charge or replace with new battery.
10. Clean and connect battery cables. If
broken, replace with new battery cables.
11. Contact authorized SNAPPER dealer.
12. Connect starter cable. If broken, replace
with new starter cable.
13. Connect or replace with new wiring harness.
1. Sit in operator's seat.
2. Move choke control to "OFF" position.
3. Fill fuel tank with fresh fuel to proper level.
(Trouble Shooting Continued on Next Page)
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