Craftsman 917.256812 Owner's Manual page 28

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TROUBLESHOOTING
POINTS
PROBLEM
:.....................
iii ill
iHll
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
Engine "backfires"
when turning engine
"OFF"
CAUSE
1o Faulty operator-safety presence control system
1o Worn, bent or loose blade,.
2.
Mower deck not level
3.
Buildup of grass, teaves, 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 drive belt
3,
Frozen idler pulley.
4,
Frozen blade mandrel.
i
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t,
2
3o
4,,
5o
6
7_
8,
9,
10.
11,,
ill
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ILIIIII
Engine speed too slow
Travel speed too fast°
Wet grase_
Mower deck not level,
Low/uneven tire air pressure
Worn, bent or loose blade.
Buildup of grass, leaves and trash under mower
Mower drive belt wom_
Blades improperly installed,.
improper blades used,
Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrets,.
I
Switch is "OFF",,
2,.
Bu{b(s) bumedout,
3,, Faulty light switch,
4.. Loose or damaged wiring,
5.
B{own fuse,
1o Bad battery celt(s).
2_ Poor cable connections,
&
Faulty regulator (if so equipped),,
4,
Faulty alternator,,
1_ Eng{ne throttle control not set at "SLOW"
position for 30 seconds before stopping engine,
CORRECTION
Check wiring, switches and connections.
If not
corrected, contact an authorized service center!
department.
iiill
:
......
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 bell
3,
Repiaca idler puHey_
4
Replace blade mandrel
1,
Race 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/sharpen blade_ Tighten blade be[t.
7
Clean underside of mower housing,
8,,
Replace mower drive belt,
9.
Reinstall blades sharp edge dewn_
i0,.
Replace with blades listed In this manual.
11.
Clean around mandrels to open vent holes
1,
Tum sw_tch "ON",,
2
Replace bulb(s),
3,
Check/replace light switch,,
4,,
Check w{ring and connections_
5
Replace fuse,
1_ Replace battery.
2,
Check/clean atl connections.
3,
Replace regulator,
4
Replace alternator,.
1,
Move throttle control to "SLOW" position and allow
to idle for 30 seconds before stopping engine.
28

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