Craftsman EZ3 944.609810 Owner's Manual page 28

TROUBLESHOOTING POINTS
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poorcut-uneven
Mower bledeswilt not
rotate
Poor grass dlscharge
Headlight(s) not working
(if so equipped)
Battery will not charge
Loss of drive
Engine "backfires"
when turning engine
"OFF"
CAUSE
1. Faulty operator-safety presence control system.
1. Worn, bent or loose blade.
2. Mower deck not level.
3. Buildup of grass, leaves, and trash under mower.
4, Bent blade mandrel.
5. C_ogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels.
1. Obstruction in clutchmechanism.
2. Worn/damaged mowerdrive belt.
3. Frozenidlerpulley.
4. Frozenblade mandrel.
1. Enginespeed tooslow.
2. Travelspeed toofast.
3. Wet grass.
4. Mowerdeck notlevel.
5. Lowluneventire air pressure.
6. Worn, bentor looseblade.
7. Buildup of grass,leavesand trashundermower.
8. Mower ddvebeltworn.
9. Bladesimproperlyinstalled.
10. Improperbladesused.
11. Cloggedmowerdeckventholesfrombuildupof
grass,leaves,andtrasharound mandrels.
1. Switch is =OFF'.
2. Bulb(s) burned out.
3. Fauity light switch.
4. Loose or damaged widng.
5. Blown fuse.
1. Bad battery call(s).
2. Poor cable connections.
3. Faulty regulator (lt 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.
Enginethrottlecontrolnotset at =SLOW"
positionfor 30 secondsbeforestopping engine.
CORRECTION
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. Removeobstruction.
2. Replace mowerdrivebelt.
3. Replaceidlerpulley.
4. Replaceblade mandrel.
1. Place thro_e control in "FAST" position.
2. Shift to stower speed.
3. Allow grass to dry before mowing.
4. Level mower deck.
5. Check tires for proper air pressure.
6. Replace/sharpen blade. Tighten blade bolt.
7. Clean underside of mower housing.
8. Replace mower drive belt.
9. Reinstall blades sharp edge down.
10. Replace with blades listed in this manual.
11. Clean around mandrels to open vent holes.
1. Turn switch =ON".
2. Replace bulb(s).
3. Check/replece light switch.
4. Check wiring and connections.
5. Replace fuse.
1. Replacebattery.
2. Check/cleanall connections.
3. Replaceregulator.
4. Replacealternator.
1. Place freewheel control in =engaged" position.
2. Replace motion drive belt.
3. Purge transmission,
1. Move throttlecontrol to "SLOW"positionand allow
to idlefor 30 secondsbeforestoppingengine.
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