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Craftsman 917.257621 Owner's Manual page 27

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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
Engine "backfires"
when turning engine
"OFF"
CAUSE
1,
Faultyoperator-safety
presence control system
1.
Worn, bent orloose
blade
2
Mowerdeck
nottevel
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.
t
Obstruction in clutch mechanism
2
VVorn/damaged
mower drive bell
3,
Frozen idler putley
4
Frozen blade mandrel.
1.
Engine speed too stow
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 belt worn
9,
Blades Improperly fnstalled
10.
lmproperblades
used
1 !
Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels
t
Sw{tch is "OFF".
2,
Bulb(s) burned out
3.
Faulbi light switch.
4,
Loose or damaged wiring
5
Blown fuse,
1
Bad battery cell(s)
2
Poor cable connections
3
Faulty regulator (if so equipped)
4,
Fautt'i alternator,
1
Engine throttle control not set at "SLOW"
position for 30 seconds before stopping engine
CORRECTION
.........
i.,i i
Ji
1
Checkwlring,
switches
and connections
If not
corrected, contact an authorized
service center!
department,
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 mowerddve
belt
3
Replace idler pulley
4
Replace blade mandrel,
t
Place throttle control in "FAST" position
2
Shift to slower speed,
3
Allow grass to dry beiore 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
Repface mower drive belt
9
Reinstall blades sharp edge down
t0.
Replace with blades listed in this manual
1 !
Clean around mandrels to open vent holes
1
Turn switch "ON"
2,
Replace bulb(s),
3.
Check/replace
light switch
4
Check wiring and connections..
5
Replace fuse
t
Replace battery,
2
Check/clean
all connections
3
Replace regulator
4
Replace alternator
Move throttle control to "SLOW" position and allow
to idle for 30 seconds before stopping engine
27

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