Craftsman 3One 917.252531 Owner's Manual page 30

NG NTS
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut - uneven
Mower blades will not
rotate
Poor grass discharge
Headlight{s) not working
(If so equipped)
Battery will not charge
Loss of drive
i i Ul
Engine "backfires"
when turning engine
"OFF"
CAUSE
1, Faulty operator-safety presence control system
1 Wom, bent or loose blade
2 Mower deck not level
3. Buildup of grass, leaves, and 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 ddve belt..
3 Frozen idler pultey,,
4, Frozen blade mandrel..
1. Engine speed too slow.
2o Travel speed too fast
3, Wet grass
4, Mower deck not level.
5, Low/uneven tire air pressure,,
6 Wom, bent or loose blade.
7. Buildup of grass, leaves and trash under mower
8. Mower ddve belt worn,
9 Blades improperly installed
t0 Improper blades used.
11,, C]ogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels,
1. Switch Is"OFF",
2 Bulb(s) burned ouL
3. Fault,] light switch,
4 Loose or damaged widng.
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" postBon.
2, Motion drive belt worn, damaged, or broken.
3. Atr trapped in transmission dudng shipment
or servicing,
I II .................................................
1_ Engine throttle control not set at"SLOW"
position for 30 seconds before stopplng engtne_
CORRECTION
1,. Check wiring, switches and connecUons° If not
corrected, contact an authorized service center/
depadment
1,. Replace blade Tighten blade boil
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,
3o Replace Idler pulley.
4, Replace blade mandrel,,
1_ Place throttle contreI 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. Replacelsharpen blade., Tighten blade bolt..
7.. Clean underside of mower housing.
8. Replace mower drive belt,
9. Reinstall blades sharp edge down
10. Reptace with blades ltsled in this manual,
11. Clean around mandrels to open vent holes,
1. Turn switch "ON"
2 Replace bulb(s),.
3o Check/replace light switch,
4, Check wiring and connections_
5. Replace fuse_
1 Replace battery,
2 ChecWclean all connections,
3. Replace regulator.
4 Replace alternator
1, Place freewheel control in "engaged" positton_
2 Replace motion drive bell
3 Purge transmission.
1,
Move throttle control to "SLOW" position and allow
to idle for 30 seconds before stopping engine.
3O