Craftsman 3One 917.254860 Owner's Manual page 27

TROUBLESHOOTING POINTS
PROBLEM
Engine continues to run
when operator leaves seat
with attachment clutch
engaged
Poor cut - uneven
Mower blades witl not
rotate
Poor grass discharge
Headlight(s) not working
(if so equipped)
-- H
Battery wilt not charge
Engine "backfires"
when turning engine
"OFP
1. Faulty operator-safety presence control system.
1. Worn, bent or loose blade.
2. Mower deck not tevel.
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.
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.
t, Clogged mower deck vent holes from buildup of
grass, Ieaves, and trash around mandrels,
!. Switch is "OFF".
2. Bulb(s) burned out.
3. Faulty light switch,
4. Loose or damaged wiring.
5. Blown fuse,
I. Bad battery cell(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 before stopping engine.
CORRECTION
1,, Check wiring, switches and connections, If not
corrected, contact an authorized service center/
department,
t, Replace biade_ 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, Replace idler pulley.
4, Replace blade mandrel.
1, P]ace 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. Reinstallblades 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, Checldreplace light switch,
4. Check wiring and connections.
5. Replace fuse,
1. Reptace battery,
2. Check/clean all connections,
3. Replace regulator,
4, Replace alternator.
t, Move throttle control to "SLOW" position and attow
to idle for 30 seconds before stopping engine,
27