Craftsman 917.28856 Operator's Manual page 29

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center.
PROBLEM
LOSS of power
Excessive vibration
Engine continues to
run when operator
leaves seat with atta-
CAUSE
, ,,u,,
1 Cutting too much grass/too fast.
2 Throttle in "CHOKE" position.
3 Build-up of grass, leaves and
trash under mower,
CORRECTION
1 Raise cutting height!reduce speed.
2 Adjust throttle control.
3 Clean underside of mower
housing.
4 Dirty air filter.
5 Low oil level/dirty oil,
6 Faulty spark plug,
7 Dirty fuel filter.
8 Stale or dirty fuel,
9 Water in fuel.
I0 Spark p]ug wire loose.
11 Dirty engine air screen/fins.
i12 Dirb]/clogged muffler.
4 Clean/replace air filter.
5 Check oil level/change oil.
6 Clean& regaporchangesparkplug,
7 Replace fuel filter,
8 Empty fuel tank and refill tank witi _
fresh, clean gasoline,
9 Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
10 Connect & tighten spark plug wire
11 Clean engine air screen/fins.
12 Clean/replace muffler.
chment clutch engaged !
poor cut _.uneyen ..............
13
14
15
1
2
3
1
.! ....
Loose or damaged wiring. 13
Carburetor out of adjustment, 14
Engine valves out of adjustment, 15
Worn, bent or loose blade. 1
Bent blade mandrel 2
Loose/damaged part(s). 3
Faulty operator-safety presence 1
control system.
Check all wiring.
See "To Adjust Carburetor" in
Service and Adjustments section,
Contact a Sears or other qualified
service center,
Replace blade, Tighten blade bolt
i Contact a Sears or other qualified
service center.
Tighten loose part(s),
Replace damaged parts.
,,,, ,.,,
Check wiring, switches and
connections, If not corrected,
contact a Sears or other
.Worn, I_en_o[ loose b!ade ,................. !. Rep!a_ce.b!ade_ T!ghten.b!ade b01!
cutting
2
3
4
5
Mower deck not level. 2
Buildup of grass, leaves_ and 3
trash under mower.
Bent blade mandrel, 4
Clogged mower deck vent from 5
build-up of grass, leaves, and
trash around mandrels.
Level mower deck.
Clean underside of mower
housing.
Contact a Sears or other
qualified service center.
Clean around mandrels to
open vent holes.
29