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TROUBLESHOOTING GUIDE
PROBLEM
Starter Will Not
Crank Engine
Engine Will Not
Start
Engine Stalls After
Running
Engine Loses
Power
Engine Backfires
When Turned To
"STOP"
Excessive
Vibration
PROBABLE CAUSE
1. Battery dead.
2. Blown fuse.
3. Electrical connections loose or corroded.
4. Defective ignition switch.
5. Starter Spins without engaging.
1.Blade engagement switch in the "ON" position.
2. Park brake not set.
3. Fuel tank empty.
4. Engine needs choking.
5. Spark plug wire disconnected.
6. Battery weak or dead.
7. Faulty interlock switch.
1. Operator not in seat.
2. Engine speed control in the "CHOKE" position.
3. Fuel tank empty.
4. Engine air pre-cleaner and or air cleaner dirty.
5. Spark plug defective or gap set improperly.
6. Fuel filter stopped up.
7. Water, debris or stale fuel in fuel system.
1. Excessive load on engine.
2. Engine air pre-cleaner or air cleaner dirty.
3. Engine oil level low.
4. Engine cooling fins and air screens
excessively dirty.
5. Spark plug faulty.
6. Water, debris or stale fuel in fuel system.
1. Engine speed control set too "FAST".
1. Damaged or bent mower blades.
2. Loose blade components.
3. Loose or missing air lift (if equipped).
CORRECTIVE ACTION
1. Service battery.
2. Replace fuse.
3. Clean and check connections for good contact.
4. Contact authorized SNAPPER dealer.
5. Release Start key and repeat attempt. If starter
continues to spin contact Engine Dealer.
1. Move blade engagement switch to "OFF".
2. Set park brake.
3. Fill fuel tank with fresh fuel.
4. Move engine speed control to "CHOKE".
5. Place spark plug wire onto spark plug.
6. Service battery.
7. Contact authorized SNAPPER dealer.
1. Sit in operator's seat.
2. Move engine speed control to "FAST".
3. Fill with fuel to proper level.
4. Clean free of all debris.
5. Service spark plug.
6. Replace fuel filter.
7. Drain and clean fuel system.
1. Lessen load by slowing ground speed.
2. Clean or replace filters.
3. Fill with engine oil to proper level.
4. Clean free of all debris.
5. Service spark plug.
6. Drain and clean fuel system.
1. Set engine speed control to "SLOW" and allow
engine to idle. Then, turn key to "OFF".
1. Service mower blade(s).
2. Service and tighten loose parts.
3. Replace air lifts. Tighten to proper torque.
(Continued on Next Page)
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