Craftsman 917.28603 Manual Del Operador página 30

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Excessive vibration
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
Poor cut = uneven
cutting
Mower blades will
not rotate
Poor grass
discharge
CAUSE
1 Worn, bent or loose blade.
2 Bent blade mandrel.
3 Loose/damaged part(s).
1 Faulty operator-safety presence
control system.
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.
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 Replace blade. Tighten blade bolt.
2 Contact a Sears or other
qualified service center.
3 Tighten loose part(s).
Replace damaged parts.
1 Check wiring, switches and
connections. If not corrected,
contact a Sears or other
1 Replace blade. Tighten blade bolt.
2 Level mower deck.
3 Clean underside of mower
housing.
4 Contact a Sears or other
qualified service center.
5 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.
30