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PROBLEM
Will not start
Hard to start
lu ii ii ii
:
:
Engine will not turn over
Engine clicks but will not
start
........ , ,,,,,
.........
Loss of power
Excessive
vibration
CAUSE
t
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 luel
8
9
t0
Loose or damaged wiring
Carburetor out of adjustment
Engine valves out of adjustment
1
Dirty air filter
2
Bad spark plug
3
Weakordead
battery
4
Dirty fuel filter
5
Stale or dirty fuel
6
Loose or damaged wiring
7
Carburetor out of adjuslmenl
8
Engine valves out of adjustment
1
Clutchlbrake
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
Fautty solenoid or starter
9
Faulty operator presence switch(es)
1
Weak or dead battery,
2
Corroded battery terminals
3
Loose or damaged wiring
4
Faulty solenoid or starter
I
Cutting too much grass/too fast
2
Throttle in 'CHOKE" position
3,
Build-up ol 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
Wafer in fuel
10
Spark plug wire loose
1!.
Dirty engine air screen/fins
12
Dirty/clogged muffler
13
Loose or damaged wiring
t 4
Carburetor
out of adjustment
t5
Engine valves out of adjustment
1
Worn, bent or loose blade
2.
Bent btade mandrel
3
Loosetdamaged
part(s)
CORRECTION
I
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 lank and carburetor,
refill tank with fresh
gasoline and replace fuel filter
8
Check el! wiring
g
See "To Adjust Carburetor"
in Service Adjuslments
section
t 0
Conlacl an authorized service center/department
1
Clean!replace
air filter
2
Replace spark plug
3
Recharge or replace battery
4
Replace Iuel filter
5
Drain fuel tank and refill with lresh gasoline
6
Check all wiring
7
See "To Adjust Carburetor"
in Service Adjustments
section
8
Contact an authorized
service center/department
1
Depress clutch/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
Ctleck/replace
solenoid or starter
1
Set in _'Higher Cut" position/reduce
speed
2
Adjust throtl/e 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 gasofine
9
Drain luel tank and carburetor,
retill tank with fresh
gasoline and replace fuel filter
t0
Connect and lighten spark plug wire
I1,
Clean engine air screen/fins
12
Clean/replace
muffler,
13
Check all wiring
14
See "To Adjust Carburetor"
in Service Adjustments
secfion
15
Contact an authorized service center/department
1
Replace blade
Tighten blade bolt
2
Replace blade mandrel,
3
Tightentoose
part(s)
Replace damaged parts
29
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