Sears 917.257651 Lawn Mower User Manual


 
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TROUBLESHOOTING PO NTS
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PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut - uneven
CAUSE
1,
Faulty operator-safety presence control system
Ill I I I I
1 Worn, bent or toose blade
2 Mower deck not level
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
Mower blades will not
rotate
Poor grass discharge
i
Headlight(s) not working
(if so equipped)
Battery will not charge
Engine "backfires"
when turning engine
"OFF'*
3 Buildup of grass, leaves, and trash under mower
4 Bent blade mandrel
5. Clogged mower deck vent holes from buildup of
grass, {eaves, and trash around mandrels
1 Obstruction in clutch mechanism
2 Worn/damaged mower drive bell
3 Frozen idler pulley
4_ Frozen blade mandrel
1 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 belt worn
9 Blades improperly installed
10 Improper blades used
11 Clogged mower deck vent hates from buildup of
grass, leaves, and trash around mandrels
1 Switch is "OFF"
2 Bulb(s) burnedout
3 Faulty !ight swilch.
4 Loose or damaged wiring
5 Blown fuse
t Bad battery ceil(s)
2 Poor cable connections
3. Faulty regulator (if so equipped)
4 Faulty alternator
1 Engine throttle contro! not set at "SLOW"
position for 30 seconds belore stopping engine.
3 Clean underside of mower housing
4 Replace blade mandrel.
5 Clean around mandrels to open vent holes
1 Remove obstruction
2 Replace mower ddve belt
3 Replace idler pulley.
4 Repface blade mandrel
! Place throttle control in "FAST" position
2 Shift to slower speed.
3 Allow grass to dry before mowing
4 Leve_ mower deck
5 Check tires for proper air pressure
6 Replacelsharpan blade Tighten blade bolt
7 Clean underside of mower housing
8 Replace mower drive belt
9 Reinstall btades 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 wiring and connections
5 Replace fuse
1 Replace battery
2 Check/clean all connections
3 Replace regulator,
4 Reptsce a_temator
1 Move throtlle control to "SLOW" position and allow
to idle for 30 seconds before stopping engine
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