27
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.
Engine Will Not Start
1. Blade engagement switch in the “ON” position.
1. Move blade engagement switch to “OFF”.
2. Park brake not set.
2. Set park brake.
3. Fuel tank empty.
3. Fill fuel tank with fresh diesel fuel.
4. Fuel filter clogged.
4. Remove and clean fuel filter of all debris.
5. Fuel cock in the “OFF” position.
5. Move fuel cock lever to the “ON” position.
6. Battery weak or dead.
6. Service battery.
7. Faulty parking brake, blade or ignition switch.
7. Contact authorized
SNAPPER
dealer.
Engine Stalls After
1. Operator not in seat.
1. Sit in operator’s seat.
Running
2. Fuel injection nozzle clogged with carbon.
2. Clean or replace fuel injection nozzle.
3. Fuel tank empty.
3. Fill with fuel to proper level.
4. Engine air cleaner dirty.
4. Clean air cleaner of all debris.
5..Insufficient lubrication.
5. Check engine oil lubricating system.
6. Fuel filter clogged.
6. Remove and clean fuel filter of all debris.
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. Engine oil level low.
3. Fill with engine oil to proper level.
4. Fuel injection nozzle clogged with carbon.
4. Clean or replace fuel injection nozzle.
5. Water, debris or stale fuel in fuel system.
5. Drain and clean fuel system.
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 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.
Engine Over Heats
1. Insufficient engine lubrication.
1. Check engine oil lubrication system.
2. Fan belt broken or out of adjustment.
2. Replace fan belt or adjust to proper tension.
3. Insufficient coolant level.
3. Check coolant level and replenish supply.
4. Thermostat defective.
4. Replace thermostat of correct heat range.
5. Radiator screen or radiator cooling fins clogged.
5. Clean all debris from radiator screen and fins.
6. Water pump, fan & radiator cap defective.
6. Replace cooling system parts that are defective.
7. Incorrect fuel injection timing.
7. Contact authorized
SNAPPER
dealer.
8. Excessive concentration of antifreeze.
8. Change coolant(water/antifreeze) mixture ratio.
9. Cooling system clogged with debris.
9. Drain and flush cooling system.
(Trouble Shooting Continued on Next Page)
Summary of Contents for ZF2101DKU
Page 31: ...31 PRIMARY MAINTENANCE...
Page 32: ...32 PRIMARY MAINTENANCE...
Page 33: ...33 PRIMARY MAINTENANCE...
Page 34: ...34 PRIMARY MAINTENANCE...
Page 35: ...35 NOTES...
