Sears 917.25254 Lawn Mower User Manual


 
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut - uneven
Mower blades will not
rotate
wit
Poor grass discharge
Headlight(s) not working
(if so equipped)
Batterywill not charge
Engine "backfires"
when turning engine
"OFF"
TROUBLESHOO NG POINTS
CAUSE
1.. Faulty operator-safety presence control system
1. Worn, bent or loose blade..
2 Mower deck notlevel.
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 in clutch mechanism
2 Worn/damaged mower drive belt.
CORRECTION
1 Check wiring, switches and connections, If not
corrected, contact an authorized service facility
1 Repiace blade. Tighlen blade bolt.
2 Level mower deck
3 Clean underside of mower' housing
4 Replace blade mandrel
5 Clean around mandrels to open vent hoies
t Remove obstruction
2 Replace mower drive bait
3. Frozen idler pulley
4 Frozen blade mandre!
!., Engine speed too slow
2 Travel speed too fast
3 Wet grass,
4. Mower deck not level
5, Lowtuneven tire air pressure
6 Worn, bent orloose blade
3 Replace idler pulley.
4 Replace blade mandrel
1 Place throttlecontrof in "FAST" position.
2 Shift to slower speed.
3 Allow grass todry before mowing..
4 Level mower deck
5 Check tires for proper air pressure.
6 Replace/sharpen blade.. Tighten blade bolt.
7.. Buildup of grass, leaves and trash under mower
8 Mower drive beltworn..
9 Btades improperly installed
10 Improper blades used.
11. Clogged mower deck vent holes from buildup of
grass, leaves, and trash around mandrels
ww ...........
t Switch is "OFF"
2 Bulb(s) burned out..
3 Faulty lightswitch..
4. Loose or damaged wiring
5. Blown fuse
1 Bad battery cell(s)
2. Poor cable connections
3.. Faulty regulator (if so equipped).
4. Faulty alternator.
1,.
Engine throttle control not set at "SLOW"
position for 30 seconds before stopping engine
7 Clean underside of mower housing,
8 Replace mower drive bett
9 Reinstall blades sharp edge down
10 Replace with blades listed in this manual,
1t Clean around mandrels toopen vent holes
1
2
3
4
5
t
2
Turn swilch "ON".
Replace bulb(s).
Check/replace light switch..
Check wiring and connections
Replace fuse.
3
4.
Replace battery
Check/clean all connections
Replace regulator
Replace alternator
1. Move throttle control to "SLOW" position and attow
to idle for 30 seconds before stopping engine
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