Sears 917.251551 - Manual (Page 30)

TROUBLESHOOTING POINTS
PROBLEM CAUSE CORRECTION
Engine continues to run
when operator leaves seat
with attachment clutch
engaged 1, Faulty operator-safety presence control system 1, Check wiring, switches and connections, If not
corrected, contact an authorized service center/
department
Poor cut - uneven 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 marrdrels
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
Mower blades will not
rotate 1. Obstruction in dutch mechanism
2
Wom/damaged mower drive belt
3 Frozen idler pulley.
4, Frozen blade mandrel
1 Remove obstruction.
2 Replace mower drive belt,
3 Replace idler pulley
4. Replace blade mandrel.
Poor grass discharge 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 urrder mower
8
Mower drive belt worn.
9 Blades improperly installed,
10 Improper blades used,
11, Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels
1, Place 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 bolt,
7 Clean underside of mower housing
8. Replace mower drive belt,
9, Reinstall blades sharp edge down
10, Replace with blades listed in this manual
11,, Clean around mandrels to open vent holes.
Headllght{sj not working
(it so equipped)
1 Switch is "OFF",
2, Bulb(s) burned out
3 Faulty light switch
4, Loose or damaged wiring
5 Blown fuse. 1 Turn switch “ON";
2. Replace bulb(s).
3. Check/replace light switch
4. Check wiring and connections. ,
5 Replace fuse.
Battery will not charge 1 Bad battery cefl(s),
2, Poor cable connections,.
3, Faulty regulator (if so equipped).
4,
Faulty alternator,
1, Replace battery
2 Check/dean all connections.
3 Replace regulator,
4 Replace alternator.
Engine "backfires"
when turning engine
"OFF" 1 Engine throttle control not set at “SLOW"
position for 30 seconds before stopping engine.
1, Move throttle control to "SLOW” position and allow
to idle for 30 seconds before stopping engine.
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