Craftsman 917.28907 Owner's Manual page 30

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM CAUSE CORRECTION
Engine continues to 1
run when operator
leaves seat with
attachment clutch
engaged
Poorcut-uneven
cutting
Mower blades will
not rotate
Poor grass
discharge
Faulty operator-safety presence 1 Check wiring, switches and
control system, connections. If not corrected,
contact a Sears or other
1 Worn, bent or loose blade. 1
2 Mower deck not level. 2
3 Buildup of grass, leaves, and 3
trash under mower.
4 Bent blade mandrel. 4
5 Clogged mower deck vent from 5
build-up of grass, leaves, and
trash around mandrels.
1 Obstruction in clutch mechanism. 1
2 Worn/damaged mower drive belt. 2
3 Frozen idler pulley. 3
4 Frozen blade mandrel. 4
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.
Replace blade. Tighten blade bolt.
Level mower deck.
Clean underside of mower
housing.
Contact a Sears or other
qualified service center.
Clean around mandrels to
open vent holes.
Remove obstruction.
Replace mower drive belt.
Replace idler pulley.
Contact a Sears or other
qualified service center.
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 PSI.
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.
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