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TROUBLESHOOTING POINTS
PROBLEM
Will not start
Hard to start
Engine will not
turn over
Engine clicks but
will not start
Loss of power
Excessive vibration
CAUSE
1
Out of fuel.
2
Bad spark plug.
Dirty air filter.
3
4
Water in fuel.
5
Loose or damaged wiring.
6
Engine valves out of adjustment.
1
Dirty air filter.
2
Bad spark plug.
3
Weak or dead battery.
4
Stale or dirty fuel.
5
Loose or damaged wiring.
6
Engine valves out of adjustment.
1
Clutch/brake pedal not depressed. 1 Depress clutch/brake pedal.
2
Deck 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). 9 Contact a qualified service center.
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
Build-up of grass, leaves and trash
under mower.
3
Dirty air filter.
4
Low oil level/dirty oil.
5
Faulty spark plug.
6
Stale or dirty fuel.
7
Water in fuel.
8
Spark plug wire loose.
9
Dirty engine air screen/fins.
10 Dirty/clogged muffler.
11 Loose or damaged wiring.
12 Engine valves out of adjustment.
1
Worn, bent or loose blade.
2
Bent blade mandrel.
3
Loose/damaged part(s).
22
CORRECTION
1
Fill fuel tank.
2
Replace spark plug.
Clean/replace air filter.
3
4
Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
5
Check all wiring.
6
Contact a qualified service center.
1 Clean/replace air filter.
2 Replace spark plug.
3 Recharge or replace battery.
4 Empty fuel tank and refill tank
with fresh, clean gasoline.
5 Check all wiring.
6 Contact a qualified service center.
2 Disengage deck 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.
1 Recharge or replace battery.
2 Clean battery terminals.
3 Check all wiring.
4 Check/replace solenoid or starter.
1
Raise cutting height/reduce speed.
2
Clean underside of mower
housing.
3
Clean/replace air filter.
4
Check oil level/change oil.
5
Clean & regap or change spark plug.
6
Empty fuel tank and refill tank
with fresh, clean gasoline.
7
Empty fuel tank and carburetor,
refill tank with fresh gasoline.
8
Connect & tighten spark plug wire.
9
Clean engine air screen/fins.
10 Clean/replace muffler.
11 Check all wiring.
12 Contact a qualified service center.
Replace blade. Tighten blade
1
bolt.
2 Contact a qualified service center.
3 Tighten loose part(s).
Replace damaged parts.
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