Troubleshooting points – Sears 917.25051 User Manual
Page 28
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TROUBLESHOOTING POINTS
PROBLEM
CAUSE
CORRECTION
Will not start
1. Out of fuel.
2.
Engine not “CHOKED” properly.
3.
Engine fioodect.
4.
Bad spark plug.
5.
Dirty air filler.
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,
Drain fuel tank and carburetor, refill tank with fresh
gasoline and replace fuel filter.
8,
Check all wiring.
9,
Contact art authorized service csnter/department.
10.
Contact an authorized service center/department.
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.
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 alt wiring,
7.
Contact an authorized service center/department
8.
Contact an authorized service center/department
Engine will not turn over
1.
Clutch/brake pedal not depressed.
2.
Attachment clutch is engaged.
3.
Weak or dead battery.
4.
Blown fuse.
5.
Corroded battery ietminals.
6.
Loose or damaged wiring.
7.
Faulty ignition switch.
8.
Faulty solenoid or starter.
9.
Faulty operator presence switch(es).
1
.
Depress clutch/brake pedai.
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.
Engine clicks but will not
1. Weak or dead battery.
1, Recharge or replace battery.
start
2.
Corroded battery terminals.
3.
Loose or damaged wiring.
4.
Faulty solenoid or starter.
2.
Clean battery terminals.
3.
Check all wiring.
4.
Check/replace solenoid or starter.
Loss of power
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.
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 regap 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,
1
1.
Clean engine air screen/fins.
12.
Clean/replace muffler.
13.
Check ail wiring,
1
4.
Contact an authorized service center/department.
15.
Contact an authorized service center/department.
Excessive vibration
1.
Worn, bent or loose blade.
2.
Bent blade mandrel.
3.
Loose/damaged part(s),
28
1.
Replace blade. Tighten blade boit.
2.
Replace blade mandrel.
3. Tighten loose part(s). Replace damaged parts.