Craftsman LAWN TRACTOR 917.272051 Owner's Manual page 30

PROBLEM
Mower blades will
not rotate
TROUBLESHOOTING CHART
CAUSE
1. Obstruction in clutch
mechanism.
2. WorWdamaged mower
drive belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
Poor grass
discharge
Headlight(s) not
working
(if so equipped)
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
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,
Battery will not 1.
charge 2.
3.
4.
Engine "backfires" 1.
when turning
engine "OFF"
Blown fuse.
Bad battery cell(s).
Poor cable connections.
CORRECTION
1. Remove obstruction.
2. Replace mower drive belt.
3. Replace idler pulley.
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.
i 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 connec
tions.
5. Replace fuse.
1. Replace battery.
2. Check/clean arl connec
tions.
3. Replace regulator. Faulty regulator
(if so equipped).
Faulty alternator. 4. Replace alternator.
Engine throttle control not 1. Move throttle control to
set at "SLOW" position "SLOW" position and allow
for 30 seconds before to idle for 30 seconds befon
stopping engine, stopping engine.
3O