Craftsman 917.28928 Lawn Mower User Manual


 
TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Mower blades will
not rotate
CAUSE
1 Obstruction in clutch mechanism.
2 Worn/damaged mower drive belt.
3 Frozen idler pulley.
4 Frozen blade mandrel.
Poor grass
discharge
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.
Headlight(s) not
working
(if so equipped)
Battery will not
charge
Loss of drive
11 Clogged mower deck vent holes
from buildup of grass, leaves, and
trash around mandrels.
1 Light switch is "OFF".
2 Bulb(s) or lamp(s) burned out.
3 Faulty light switch.
4 Loose or damaged wiring.
5 Blown fuse.
1 Bad battery cell(s).
2 Poor cable connections.
3 Faulty regulator (if so equipped).
4 Faulty alternator.
1 Freewheel control in
"DISENGAGED" position.
2 Debris on steering plate (if
equipped).
3 Motion drive belt worn, damaged,
or broken.
4 Air trapped in transmission during
shipment or servicing.
5 Axle key missing.
CORRECTION
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.
1 Turn light switch "ON".
2 Replace bulb(s) or lamp(s).
3 Check/replace light switch.
4 Check wiring and connections.
5 Replace fuse.
1 Replace battery.
2 Check/clean all connections.
3 Replace regulator.
4 Replace alternator.
1 Place freewheel control in
"ENGAGED" position.
2 See "CLEANING" in the
maintenance section.
3 Replace motion drive belt.
4 Purge transmission.
5 Install axle key at rear wheel. See
"TO REMOVE WHEEL" in the
Service and Adjustments section.
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