Troubleshooting - Husqvarna 917.279020 Owner's Manual

TROUBLESHOOTING POmNTS
PROBLEM CAUSE CORRECTION
W[H not start
Hard to start
Engine writ not turn over
Engine c_[cks but w[H not
start
Loss of power
Excessive vibration
1. Out of fuel.
2. Engine not "CHOKED" properly.
3. Engine flooded.
4. Bad spark plug.
5. Dirty air filter.
6. Dirty fuel filter.
7. Water in fuel.
8. Loose or damaged wiring.
9. Carburetor out of adjustment.
10. Engine valves out of adjustment.
1. Fill fuel tank.
2. See "TO START ENGINE" in Operation section.
3. Wait several minutes before attempting to start.
4. Replace spark plug.
5. Clean/replace air filter.
6. Replace fuel filter.
7. Empty fuel tank and carburetor, refill tank with fresh
gasoline and replace fuel filter.
8. Check all wiring.
9. See "To Adjust Carburetor" in Service Adjustments
section.
10. Contact an authorized service centeddepartment.
1. Dirty air filter.
2. Bad spark plug.
3. Weak or dead battery.
4. Dirty fuel filter.
5. Stale or dirty fuel.
6. Loose or damaged wiring.
7. Carburetor out of adjustment.
8. Engine valves out of adjustment.
1. Clean/replace air filter.
2. Replace spark plug.
3. Recharge or replace battery.
4. Replace fuel filter.
5. Empty fuel tank and refiII tank with flesh, clean gasoline.
6. Check all wiring.
7. See "To Adjust Carburetor" in Service Adjustments
section.
8. Contact an authorized service center/department.
1. Brake pedal not depressed.
2. Attachment clutch is engaged.
3. Weak or dead battery.
4. Blown fuse.
5. Corroded battery terminals.
6. Loose or damaged wiring.
7. Faulty ignition switch.
8. Faulty solenoid or starter.
9. Faulty operator presence switch(es).
1. Depress brake pedal.
2. Disengage attachment ctutch.
3. Recharge or replace battery.
4. Replace fuse.
5. Clean battery terminals.
6. Check all wiring.
7. Check/replace ignition switch.
8. Check/replace solenoid or starter.
9. Contact an authorized service center/department.
1. Weak or dead battery.
2. Corroded battery terminals.
3. Loose or damaged wiring.
4. Faulty solenoid or starter.
1. Cutting too much grass/too fast.
2. Throttte in"CHOKE" position.
3. Build-up of grass, leaves and trash under mower.
1. Recharge or reptace battery.
2. Clean battery terminals.
3. Check alt wiring.
4. Check/replace solenoid or starter.
1. Raise cutting height/reduce speed.
2. Adjust throttle control.
3. Clean underside of mower housing.
4. Dirty air filter.
5. Low oil level/dirty oit.
6. Faulty spark plug.
7. Dirty fuel filter.
8. Stale or dirty fuel.
9. Water in fuel.
10. Spark plug wire loose.
11. Dirty engine air screen/fins.
12. Dirty/clogged muffler.
13. Loose or damaged wiring.
14. Carburetor out of adjustment.
15. Engine valves out of adjustment.
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).
4. Clean/replace air filter.
5. Check oil level/change oil.
6. Clean and regap or change spark plug.
7. Replace fuel filter.
8. Empty fuel tank and refill tank with fresh, clean gasoline.
9. Empty fuel tank and carburetor, refill tank with fresh
gasoline and replace fuel filter.
10. Connect and tighten spark ptug wire.
11. Clean engine air screen/fins.
12. Clean/replace muffler.
13. Check all wiring.
14. See "To Adjust Carburetor" in Service Adjustments
section.
15. Contact an authorized service center/department.
1. Replace btade. Tighten blade bolt.
2. Replace btade mandrel.
3. Tighten loose part(s). Replace damaged parts.
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