TROUBLESHOOTING
CHART
PROBLEM
Loss of power
(continued)
CAUSE
CORRECTION
3. Build-up of grass, leaves and 3.
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.
Excessive
vibration
Engine
dies when
tractor
is shifted
into reverse
Engine
continues
to run when
oper-
ator leaves
seat
with attachment
clutch
engaged
Poor cut - uneven
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).
,
Reverse
operation
system
(ROS)
is not "ON" while
mower
or other attachment
is engaged.
1.
Faulty operator-safety
presence
control
system.
,
2.
3.
4.
5.
Worn,
bent or loose
blade.
Mower deck not level.
Buildup
of grass,
leaves,
and
trash under mower.
Bent blade mandrel.
Clogged
mower
deck vent
holes from buildup
of grass,
leaves,
and trash around
mandrels.
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.
Empty fuel tank and refill tank
with fresh, clean gasoline.
9.
Empty
fuel tank and carbure-
tor, refill tank with fresh gas-
oline 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 "To Adjust
Carburetor"
in
Service
and Adjustments
section.
15. Contact
a qualified
service
center/department.
1.
Replace
blade. Tighten
blade
bolt.
2.
Contact
a qualified
service
center/department.
3.
Tighten
loose part(s).
Replace
damaged
parts.
1. Turn ignition
key to
ROS "ON" position.
See Operation
section.
,
Check wiring,
switches
and
connections.
If not contact
a
qualified
service
center/de-
partment.
1.
Replace
blade.
Tighten
blade bolt.
2.
Level mower
deck.
3.
Clean underside
of mower
housing.
4.
Contact
a qualified
service
center/department.
5.
Clean around
mandrels
to
open vent holes.
29