Craftsman 917.28008 Operator's Manual page 33

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM CAUSE CORRECTION
Loss of power 1 Cutting too much grass/too fast, 1 Raise cutting height/reduce speed
2 Throttle in "CHOKE" position. 2 Adjust throttle control.
3 Build-up of grass, leaves and 3 Clean underside of mower
trash under mower, housing.
4 Dirty air filter. 4 Clean/replace air filter.
5 Low oil level/dirty oil. S Check oil lever/change oil.
6 Faufty spark plug, 6 Ctean&regaporchangesparkplug
7 Dirty fuel filter. 7 Replace fuel filter.
8 Stale or dirty fuel, 8 Empty fuel tank and refill tank wit]'
fresh, clean gasoline.
9 Water in fuel. 9 Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace rue] filter.
10 Spark plug wire loose. 10 Connect & tighten spark plug wire
tl Dirty engine air screen/fins. 11 Clean engine air screen/fins.
12 Dirty/clogged muffler. 12 Clean/replace muffler.
Excessive vibration
13 Loose or damaged wiring. 13
14 Carburetor0ut of adjustment. 14
15 Engine valves out of adjustment. 15
1 Worn, bent or loose b]ade, 1
2 Bent blade mandrel. 2
Chock all wiring.
See "To Adjust Carburetor" in
Service and Adjustments section,
Contact a Sears or other qualified
service contor.
Replace blade, Tighten blade bolt
Contact a Sears or other qualified
service center.
run when operator
leaves seat with atta-
chment clutchengaged
Poor cut - uneven
cutting ...................................
3 Loose/damaged part(s).
1 Faulty operator-safety presence
control system.
1 Worn, bent or loose blade. 1
2 Mower deck not level ..................... 2
3 Tighten loose part(s).
Replaco damaged parts.
1 Check wiring, switches and
connections. If not corrected,
contact a Sears or other
Replace bfade. Tighten blade bolt
revel mower deck_ ...........................
Mower blades will
not rotate
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 mandre}s.
1 Obstruction in clutch mechanism. 1
2 Worn/damaged mower drive belt, 2
3 Frozen idler pulley. 3
4 Frozen blade mandrel. 4
33
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.