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TROUBLESHOOTING
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Starter Will Not Crank
1. Battery dead. 1. Service battery.
Engine 2. Blown fuse. 2. Replace fuse.
3. Electrical connections loose or corroded. 3. Clean and check connections for good contact.
4. Defective ignition switch. 4. Contact authorized SNAPPER dealer.
5. Blade engagement switch in the “ON” position. 5. Move blade engagement switch to “OFF”.
6. Park brake not engaged. 6. Engage park brake.
7. Faulty parking brake, blade or ignition switch. 7. Contact authorized SNAPPER dealer.
8. Faulty engine starter. 8. Replace engine starter.
9. Faulty starter solenoid. 9. Replace starter solenoid.
Engine Will Crank But
1. Fuel tank empty or fuel shut-off valve closed. 1. Fill fuel tank with fresh fuel & open fuel valve.
Not Start 2. Engine needs choking. 2. Move choke control to “CHOKE” position.
3. Spark plug wire disconnected. 3. Place spark plug wire onto spark plug.
4. Battery weak or dead. 4. Service battery.
5. Faulty parking brake, blade or ignition switch. 5. Contact authorized SNAPPER dealer.
Engine Will Not Start
1. Blade engagement switch in the “ON” position. 1. Move blade engagement switch to “OFF”.
Using Recoil Starter 2. Park brake not engaged. 2. Engage park brake.
3. Fuel tank empty or fuel shut-off valve closed. 3. Fill fuel tank with fresh fuel & open fuel valve.
4. Engine needs choking. 4. Move choke control to “CHOKE” position.
5. Blown Fuse. 5. Replace with new 20 AMP fuse.
6. Faulty relay switch. 6. Contact authorized SNAPPER dealer.
7. Faulty parking brake or blade switch. 7. Contact authorized SNAPPER dealer.
Engine Stalls After 1. Operator not in seat. 1. Sit in operator’s seat.
Running 2. Choke control in the “CHOKE” position. 2. Move choke control to “OFF” position.
3. Fuel tank empty. 3. Fill with fuel to proper level.
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 stopped up. 6. Replace fuel filter.
7. Water, debris or stale fuel in fuel system. 7. Drain and clean fuel system.
Engine Loses Power 1. Excessive load on engine. 1. Lessen load.
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.
5. Debris build up on engine cooling screen. 5. Clean all debris from engine cooling screen.
Engine Backfires When
Turned To “STOP”
1. Throttle control set too “FAST”.
1. Set throttle control to “SLOW” and allow engine to
idle. Then, turn key to “OFF”.
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 airlift (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.
(Trouble Shooting Continued on Next Page)