Sears 917.25051 Lawn Mower User Manual


 
TRO LESHOOTING NTS
PROBLEM
Will not start
Hard to start
Engine wilt not turn over
CAUSE
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. 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.
CORRECTION
I. Fill fuel tank.
2. See "TO START ENGINE" in Operation section.
3. Wait several minutes before atlempting 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. Contact an authorized service center/department.
10. Contact an authorized service center/department.
1. Clean!replace air filter.
2. Reptace 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. Contact an authorized service center/department.
8. Contact an authorized service center/department.
1. Clutch/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 clutch/brake pedal.
2. Disengage attachment clutch.
3. Recharge or replace battery.
4. Replace fuse.
5. Clean battery terminals.
6. Check allwiring.
7. Check/replace ignition switch.
8. Check/replace solenoid or starter.
9. Contact an authorized service center/department.
Engine clicks but will not
start
Loss of power
ExceSsive vibration
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. Throttle in "CHOKE" position.
3. Build-up of grass, leaves and trash under mower.
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.
1_ Worn, bent or loose blade.
2. Bent blade mandrel.
3. Loose!damaged part(s).
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 oi! level/change oil.
6. Clean and regap or change spark plug.
7. Replace fuel filter.
8. Drain fuel tank and refill with fresh gasoline.
9. Drain fuer tank and carburetor, refill tank with fresh
gasoline and replace fuel filter.
10. Connect and tighten spark plug wire.
1t. Clean engine air screen/fins.
12. Clean/replace muffler.
13. Checkall wiring.
14. Contact an authorized service center/department.
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.
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