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TROUBLESHOOTING
PROBLEM
Excessive
vibration
Engine
continues
to run when oper=
ator leaves
seat
with attachment
clutch
engaged
Poor cut - uneven
Mower
blades
wii[
not rotate
Poor grass
discharge
Headlight(s)
not
working
(if so equipped)
Battery wiil not
charge
Loss of drive
Engine"backfires"
when turning
engine "OFF"
Engine dies when
tractor
is shifted
into reverse
CAUSE
1. Worn, bent or loose blade.
2.
Bent blade mandrel.
3.
Loose/damaged
part(s).
1.
Faulty operator-safety
presence control
system.
1. Worn, bent or loose blade.
2.
Mower deck not level.
3.
Buildupofgrass, leaves, ortrash undermower.
4.
Bent blade mandrel.
5.
Clogged mower deckvent holes from buildup
of grass, leaves, and trash around mandrels.
1. Obstruction in clutch mechanism.
2.
Worn/damaged
mower drive belt.
3.
Frozen idler pulley.
4.
Frozen blade mandrel.
CORRECTION
2.
Replace blade mandrel.
3.
Tighten loose part(s).
Replace damaged parts.
1.
Check wiring, switches
and connections.
If not
corrected, contact an authorized service center/
department.
1.
Replace blade. Tighten blade bolt.
2.
Level mower deck.
3.
Clean underside of mower housing.
4.
Replace blade mandrel.
5.
Clean around mandrels to open vent holes.
1.
Remove obstruction.
2.
Replace mower drive belt.
3.
Replace idler pulley.
4.
Replace blade mandrel.
1.
Place throttle control in "FAST" position.
2.
Shift to slower speed.
3.
Allow grass to dry before mowing.
4.
Level mower deck.
5.
Check tires for proper air pressure.
6.
Replace blade. Tighten blade bolt.
1.
Engine speed too slow.
2.
Travel speed too fast.
3.
Wet grass.
4.
Mower deck not level.
5.
Low/uneven tire air pressure.
6.
Worn, bent or loose blade.
7.
Buildup of grass, leaves and trash under
mower.
8.
Mower drive belt worn.
9.
Blades improperly installed.
10.
Improper blades used.
11.
CIoggedmowerdeckventhotesfrombuildup
of grass, leaves, and trash around mandrels.
7.
Clean underside of mower housing.
8.
Replace mower drive belt.
9.
Reinstall blades sharp edge down.
10.
Replace with blades listed in parts manual.
11.
Clean around mandrels to open vent holes.
1. Switch is "OFF".
2.
Bulb(s) or lamp(s) burned out.
3.
Faulty light switch.
4.
Loose or damaged wiring.
5.
Blown fuse.
1.
Bad battery cell(s).
2.
Poor cable connections.
3.
Faulty regulator (if so equipped).
4.
Faulty alternator.
1.
Debris on steering plate (if equipped).
2.
Motion drive belt worn, damaged, or broken.
3.
Axle key missing.
1.
Engine throttle control not set between
half and full speed (fast) position before
stopping engine.
1.
Reverse operation system (ROS) is not
"ON" while mower or other attachment is
engaged.
1.
Turn switch "ON".
2.
Replace bulb(s) or lamp(s).
3.
Check/replace
light switch.
4.
Check wiring and connections.
5.
Replace fuse.
1.
Replace battery.
2.
Check/clean all connections.
3.
Replace regulator.
4.
Replace alternator.
1.
See "CLEANING"
in the maintenance section.
2.
Replace motion drive belt.
3.
Install axle key at rear wheel. See "TO REMOVE
WHEEL" in the Service and Adjustments section.
1.
Move throttle control between half and full speed
(fast) position before stopping engine.
1.
Turn ignition key to ROS "ON" position. See
Operation section.
23
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