Craftsman 917.20381 Operator's Manual page 30

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Mower blades will
not rotate
Poor grass
discharge
Headlight(s) not
working
(if so equipped)
Battery will not
charge
CAUSE CORRECTION
1 Obstruction in clutch mechanism. 1 Remove obstruction.
2 Worn/damaged mower drive belt. 2 RepBace mower drive belt.
3 Frozen idler pulley. 3 Replace idler pulley.
4 Frozen blade mandrel. 4 Contact a Sears or other
qualified service center.
1 Engine speed too slow. 1 Place throttle control in "FAST"
position.
2 Travel speed too fast. 2 Shift to slower speed.
3 Wet grass. 3 Allow grass to dry before mowing.
4 Mower deck not level. 4 Level mower deck.
5 Low/uneven tire air pressure. 5 Check tires for proper PSI.
6 Worn, bent or loose blade. 6 Replace/sharpen blade. Tighten
blade bolt.
7 Buildup of grass, leaves and 7 Clean underside of mower
trash under mower, housing.
8 Mower drive belt worn. 8 Replace mower drive belt.
9 Blades improperly installed. 9 Reinstall blades sharp edge down.
10 Improper blades used. 10 Replace with blades listed in
this manual.
11 Clogged mower deck vent holes 11 Clean around mandrels to
from buildup of grass, leaves, and open vent holes.
trash around mandrels.
1 Light switch is "OFF". 1 Turn light switch "ON".
2 Bulb(s) or lamp(s) burned out. 2 Replace bulb(s) or lamp(s).
3 Faulty light switch. 3 Check/replace light switch.
4 Loose or damaged wiring, 4 Check wiring and connections.
5 Blown fuse. 5 Replace fuse.
1 Bad battery cell(s). 1 Replace battery.
2 Poor cable connections. 2 Check/clean all connections.
3 Faulty regulator (if so equipped). 3 Replace regulator.
4 Faulty alternator. 4 Replace alternator.
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