Craftsman 917.98645 Operator's Manual page 34

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Loss of power
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.
Excessive vibration
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
Poor cut - uneven
cutting
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.
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 orchange sparkplug.
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.
_ CAUTION: DO NOT
operate machine until
problem is corrected.
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.
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