Craftsman 917.255430 Owner's Manual page 26

TROUBLESHOOTING POINTS
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut- urlevert
Mower blades will not
rotate
Poor grass discharge
Headlight(s) not Working
(if so equipped)
Battery will not charge
Engine "backfires"
when turning engine
,,OFF='
CAUSE
i. Faultyoperator-safety
presence control system,
1. Wsm, bent or loess blade,,
2. Mower deck not level-
& Buildup of grass, leaves, and trash under mower.
4, Bent blade mandrel."
5 Clogged mower deck vent holes from buiEdup of
grass, leaves, and trash around mandrels.
1. ObstrdclJon in clutch mechanism
2. Worn/damaged mower drive belt.
3r Frozen idler pulley.
4, Frozen blade mandrel.
t. Engine speed too slow.
2. Travel speed too fast.
3, Wet grass,
4. Mower deck net level.
5, Low/uneven tire air pressure.
6,_ Wom, bentorteose blade.
7 Buildup of grass, leaves and trash under mower,
& Mower drive belt worn
9. Blades improperly installed.
t0. lmproper blades used.
t 1. Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels.
I. Switch is "OFF".
2 Bulb(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. Faultyregulator (if so equipped).
4. Faulty alternator,
1. Engine throtUecontrol not set at 'SLOW'
posi_on for 30 secondsbefore stopping engine,
CORRECTION
1o Check wiring, switches and connections. If not
corrected, contact Sears Service CentedDepadment.
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 puUey.
4. Replace blade mandrel.
1- Place throttle contret in "FAST" position.
2. Shift to s!ower speed.
3, Af[ow 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 housings
8. Replace mower ddve belt.
9. Reinstall blades sharp edge down.
10. Replace with blades listed in this manual°
11, Clean around mandrels to open vent holes
I. "rum switch "ON",
2_ Replace bulb(s)
_,, Check/replace light switch,
4. Check wiring and connections,
5, Reptace fuse.
1. Replace battery,
2. Check/clean all connections.
3 Replace regulator.
4. Replace alternator.
1, Move throttle controlto "SLOW' positionand allow
to idle for 30 seconds before stopping engine,
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