Craftsman 917.28907 - Manual (Page 30)

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