Craftsman 917.20409 Manual Del Operador página 34

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
attachment clutch
engaged
Poor cut - uneven
cutting
CAUSE
1 Cutting too much grass/too fast.
2 Throttle in cold weather starting
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 Move throttle control to fast
3 Clean underside of mower
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
9 Empty fuel tank and carburetor,
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
1 Replace blade. Tighten blade bolt.
2 Contact a Sears or other qualified
3 Tighten loose part(s).
1 Check wiring, switches and
1 Replace blade. Tighten blade bolt.
2 Level mower deck.
3 Clean underside of mower
4 Contact a Sears or other
5 Clean around mandrels to
34
position ( ).
housing.
fresh, clean gasoline.
refill tank with fresh gasoline and
replace fuel filter.
service center.
service center.
Replace damaged parts.
connections. If not corrected,
contact a Sears or other qualified
service center.
CAUTION: DO NOT
operate machine until
problem is corrected.
housing.
qualified service center.
open vent holes.