Craftsman 917.28970 Manual Del Operador página 29

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