Manual - Craftsman 917.98633 Operator's Manual

TROUBLESHOOTING CHART:
See ap pro pri ate section in manual un less di rect ed to Sears service center.
PROBLEM
Loss of power
Excessive vibration
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
Poor cut - uneven
cutting
CAUSE
1 Cutting too much grass/too fast.
2 Throttle in "CHOKE" position.
3 Build-up of grass, leaves and
trash under mower.
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.
10 Spark plug wire loose.
11 Dirty engine air screen/fins.
12 Dirty/clogged muffler.
13 Loose or damaged wiring.
14 Engine valves out of adjustment.
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.
CORRECTION
1 Raise cutting height/reduce speed.
2 Adjust throttle control.
3 Clean underside of mower
housing.
4 Clean/replace air filter.
5 Check oil level/change oil.
6 Clean & regap or change spark plug.
7 Replace fuel filter.
8 Empty fuel tank and refill tank with
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.
13 Check all wiring.
14 Contact a Sears or other qualified
service center.
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 qualified
service center.
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.
32
CAUTION: DO NOT
operate machine until
problem is corrected.