Craftsman 917.25051 Owner's Manual page 29

TRO LESHOOTNNG POmNTS
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. 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 in clutch mechanism.
2. WorrVdamaged mower drive belt.
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.
1. 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 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.
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 housing.
4. Replace blade mandrel.
5. Clean around mandrels to open vent holes.
1_ Remove obstruction.
2. Replace mower drive belt.
3. Repiaceidter puley.
4, Replace blade mandrel,
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,
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. Replace alternator.
!, Move throttle control to "SLOW" position and allow
to idle for 30 seconds before stopping engine.
29