Craftsman 917.272070 - Manual (Page 30)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Mower blades will
not rotate 1. Obstruction in clutch
mechanism.
2. Worn/damaged mower
drive belt.
3. Frozen idler pulley.
4. Frozen blade mandrel.
1. Remove obstruction.
2. Replace mower drive bell.
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 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 . Place throttle control in
“FAST" position.
Shift to slower speed.
Allow grass to dry before
mowing.
Level mower deck.
Check tires for proper air
pressure.
Replace/sharpen blade.
Tighten blade bolt.
Clean underside of mower
housing.
Replace mower drive belt.
Reinstall blades sharp edge
down.
10. Replace with blades listed
in this manual.
11. Clean around mandrels to
open vent holes.
Headlight(s)not
working
(if 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 connec­
tions.
5. Replace fuse.
Battery will not
charge
1. Bad battery cell(s).
2. Poor cable connections.
3. Faulty regulator
(if so equipped).
4. Faulty alternator.
1. Replace battery.
2. Check/clean all connec­
tions.
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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