Ariens 936038 42" Hydro Tractor Operator's Manual page 26

T BLESHOOTING POINTS
PROBLEM
Engine continues
to run when oper=
ator [eaves seat
with attachment
clutch engaged
r
Poor cut - uneven
Mower blades wii[
not rotate
Poor grass
discharge
Headlight(s) not
working
(if so equipped)
Battery wii[ not
charge
Loss of drive
Engine "back=
fires" when turn=
ing engine "OFF"
Engine dies when
tractor is shifted
into reverse
CAUSE
1. Faulty operator-safety presence control
system.
CORRECTION
1. Check wiring, switches and connections. If not
corrected, contact an authorized service center/
department.
1. Worn, bent or loose blade.
2. Mower deck not level.
3. Buildup of grass, leaves, trash under mower.
4. Bent blade mandrel.
5. Clogged mower deck vent 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.
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, trash under mower.
8. Mower drive belt worn.
9. Blades improperly installed.
10. Improper blades used.
11. Ctoggedmowerdeckventhotesfrombuildup
of grass, leaves, 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. Freewheel control in "disengaged" position.
2. Motion drive belt worn, damaged, or broken.
3. Air trapped in transmission during
shipment or servicing.
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. Place freewheel control in "engaged" position.
2. Replace motion drive belt.
3. Purge transmission.
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.
26