Troubleshooting Points; Replace Oil Filter; Replace Spark Plug; Replace Fuel Filter - Husqvarna 968999250 Operator's Manual

Husqvarna lawn mower operator's manual
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PROBLEM
Will not start
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.
11. Extreme cold conditions.
Hard to start
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.
Engine will not
1. Brake pedal not depressed.
turn over
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).
Engine clicks but
1. Weak or dead battery.
will not start
2. Corroded battery terminals.
3. Loose or damaged wiring.
4. Faulty solenoid or starter.
Loss of power
1. Cutting too much grass/too fast.
2. Throttle in "CHOKE" position.
3. Buildup of grass, leaves and trash under deck.
4. Dirty air filter.
5. Low oil level/dirty oil.
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.
Excessive vibration
1. Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose/damaged part(s).

TROUBLESHOOTING POINTS

CAUSE
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. Drain fuel tank and carburetor, refill tank with fresh
gasoline and replace fuel filter.
8. Check all wiring.
9. See Engine Manual.
10. Contact an authorized service center/department.
11. See "To start engine" in operation section.
1. Clean/replace air filter.
2. Replace spark plug.
3. Recharge or replace battery.
4. Replace fuel filter.
5. Drain fuel tank and refill with fresh gasoline.
6. Check all wiring.
7. See Engine Manual.
8. Contact an authorized service center/department.
1. Depress brake pedal.
2. Disengage attachment clutch.
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. Recharge or replace battery.
2. Clean battery terminals.
3. Check all wiring.
4. Check/replace solenoid or starter.
1. Set in "Higher Cut" position/reduce speed.
2. Adjust throttle control.
3. Clean underside of mower housing.
4. Clean/replace air filter.
5. Check oil level/change oil.
6. Clean and re-gap or change spark plug.
7. Replace fuel filter.
8. Drain fuel tank and refill with fresh gasoline.
9. Drain fuel tank and carburetor, refill tank with
fresh gasoline and replace fuel filter.
10. Connect and tighten spark plug wire.
11. Clean engine air screen/fins.
12. Clean/replace muffler.
13. Check all wiring.
14. See Engine Manual.
15. Contact an authorized service center/department.
1. Replace blade. Tighten blade bolt.
2. Replace blade mandrel.
3. Tighten loose part(s). Replace damaged parts.
48
CORRECTION

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