Craftsman 917.256582 Owner's Manual page 28

TROU
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LESHOOTING POINTS
..... ........... .....,
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor' cut - uneven
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Mower blades will not
rotate
Poor grass discharge
Headlight(s) not working
(if so equipped)
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Battery will not charge
Engine "backfires"
when turning engine
"OFF"
. , ,,,,,,,,
CAUSE
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1,. Faulty operator-safety presence control system.
1o 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 ho{es 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
t. 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 bett worn.
9. Blades tmpropedy installed
10. Improper blades used.
11. Clogged mower deck vent holes frem buildup of
grass, reaves, and trash around mandrels°
1, Switch is "OFF",.
2 Bulb(s) burned out
3 Faul!y light switch
4, Loose or damaged widng..
5.. Blown fuse..
1. Bad battery ceil(s)..
2 Poor cable connections.
3. Fautty regulator (if so equipped)
4. Faulty alternator.
-t, Engine throttle control not set at "SLOW"
position for 30 seconds before stopping engine,
CORRECTION
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1, Check wiring, switches and connections, If not
corrected, contact an authorized service center/
departmenl
1. Replace blade, Tighten blade boft
2 Leve_mower deck,
3 Clean underside of mower housing.
4. Replace blade mandrel,
5, C{ean around mandrels to open vent holes.
t, Remove obstruction.
2. Replace mower ddve belt.
3 Replace Idler puiley,
4.
Replace blademandref.
1. Piece 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 atr pressure.
6. Replace/sharpen blade, Tighten blade bolt.
7.. Clean underside of mower housing.,
8. Replace mower drive bell
9. Reinstall blades sharp edge down.
10, Replace with blades listed tn thts manual,
1i Ctean around mandrels to open vent holes..
I. Turn switch"ON".
2., Replace bulb(s)
3. Check/replace light switch.
4. Check wiring and connections.
5, Replace fuse,
1, Replace battery,.
2 Check/clean a!l connections..
3. Replace regulator.
4.. Replace alternator,
1, Move throttle contro/to "SLOW" position and allow
to Idle for 30 seconds before stopping engine.
28