Sears 917.257632 Lawn Mower User Manual


 
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poorcut-uneven
Mower blades will not
rotate
Poor grass discharge
Headlight(s)notworking
(if so equipped)
Battery will not charge
Engine "backfires"
when turning engine
"OFF"
TROUBLESHOOTING POINTS
i
CAUSE
1_ Faulty'operator-safety presence control system
1 Worn, 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 holes from buildup of
grass, leaves, and trash around mandrels
1. Obstruction inclutchmechanism
2. Worn/damaged mower drive beit.
3 Frozen idler pufJey
4, Frozen bIade mandrel.
1. Engine speed too slow
2, Travel speed too fast.
3 Wet grass.
4. Mower deck notlevel..
5o Low/uneven tireair pressure.
6. Worn, bent or loose blade
7. Buildup ofgrass, leaves and trash under mower..
8. Mower dr_vebelt worn..
9 Blades improperly installed.
10. Improper btades used
11_ Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels.
1. Switch Is "OFF",
2 Bulb(s) burned out
3, Faulty light switch.
4_ Loose or damaged wiring
5 Blown fuse
1, Bad batterycell(s)
2,, Poorcableconnections.,
3. Faultyregulator (_fsoequipped).
4_ Faultyalternator
iillllll
Engine throttle controlnot set at "SLOW"
position for 30 seconds before stopping engine,.
CORRECTION
1. Check wiring, 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 hous}ng,
4,, Replace blade mandrel.
5 Clean around mandrels to open vent holes,
!. Remove obstruction.
2. Replace mower drive belt.
3 Replace idler pu]ley.
4 Replace blade mandrel
1,, Place throttle control in "FAST" position,.
2 Shift toslower speed,
3. Allow grass todry before mowing
4 Level mower deck,
5_ Check tires for proper air pressure,,
6. Replacetsharpen blade Tighten blade bert,
7. Clean underside of mower housing.
8. Replace mower drive belt,
9. ReinstalI blades sharp edge down.
t0. Replace with blades listed in this manual
11, Clean around mandrels to open vent holes,
1 Turn switch "ON".
2, Replace bulb(s),
3. Check/replace light switch,
4 Check wfdng and connections
5. Replace fuse.
1, Reptace battery.
2. Check/clean all connections,
3,. Replace regulator,,
4,. Replace alternator.
1 Move thro_e control to"SLOW" position and allow
to tdte for 30 seconds before stopping engine,
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