Craftsman 917.256511 Owner's Manual page 28

PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut - uneven
Mower blades will not
rotate
Poor grass dtscharge
Headlight(s) not working
(if so equipped)
Battery wilt not charge
Engine "backfires"
when turning engine
"OFF"
TROU
OOTING POINTS
CAUSE
CORRECTION
"L
2,
3
4,_
5_
Faufty operator-safety presence €ontrol system
Worn, bent or loose blade,
Mower deck not level,,
Buildup of grass, leaves, and trash under mower,
Bent blade mandrel_
Clogged mower deck vent holes from bulidup of
grass, leaves, and trash around mandrels,
1. Obstruction in clutch mechanism
2, Worn/damaged mower ddve belt
3. Frozen idiot pulley,
4, Frozen blade mandrel,
1,, Engine speed too siow_
2, Travel speed too fast,
3, Wet grass.
4. Mowerdeck notteveL
5, Lowtuneven tire air pressure,
6 Wom, bent or loose blade,,
74 Buildup of grass, leaves and trash under mower.
8, Mower drive belt worn
9, Blades improperly instaf]ed
10. Improper blades used.
1!, Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels.
1.
2
3.
4,,
5,
Check wiring, switches and connections, if not
corrected, contact an authorized service center/
department,
Replace blade. Tighten blade bolt,
Level mower deck,
Clean underside of mower housing.
Replace blade mandrel
Clean around mandrels to open vent holes.
1_ Remove obstruction
2 Replace mower drive belt
3 Replace idler pulley,.
4, Replace blade mandrel
1,, Ftace throffie control in "FAST" position.
2, Shift to s[ower 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 ddve belt,
9, Reinstall blades sharp edge down,
10, Replace with blades listed tn this manual
11, Clean around mandrels to open vent holes,
1. Switch is "OFF"_
2. Bulb(s) burned out,,
3. Faulty light switch.
4,_ Loose or damaged wiring,
5, Blown fuse.
1o Bad battery ceil(s)
2_ Poor cable connections.
3, Faulty regulator (if so equipped).
4. Faulty alternator.
1, Engine throne control not set at "SLOW"
posltlon for 30 seconds before stopping engine.
1. Tum switch "ON",
2 Replace bulb(s),,
3 Check/replace light switch_
4. Check widng and connections.
5. Replace fuse.
1, Replace battery,
2., Check/clean all connections.
3. Replace regulator,,
4 Replace altemator,
.................. ,,,, _ ' ,, ,,,,,,,,,,,,,, ,,, ........
1 Move throttJecontrol to "SLOW" position and allow
to tdle for 30 seconds before stopping engine,
28