Craftsman 917.20402 Operator's Manual page 35

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
Loss of power
CAUSE CORRECTION
,, ,,,,,u,,,,,,,,, , ,
Cutting too much grass/too fast. 1 Raise cutting height!reduce
speed.
2 Throttle in cold weather starting 2 Move throttle control to fast
position (_)). position ('11_)-
3 Build-up of grass, leaves and 3 Clean underside of mower
trash under mower.
4 Dirty air filter.
5 Low oil level/dirty oit,
6 Faulty spark plug.
7 Dirty fuel filter.
J8 Stale or dirty fuel.
9 Water in fuel.
10 Spark plug wire loose.
i 1 Dirty engine air screen/fins.
t2 Dirty/clogged muffler.
housing.
4 Clean/replace air filter.
5 Check oil level/change oil.
6 Clean and regap or change spark
plug.
7 Replace fuel filter.
8 Empty fuel tank and refill tank witf"
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 screenflins.
12 Clean/replace muffler.
.... , ,,,,,
Engine continues to
run when operator
leaves seat with
attachment clutch
engaged
,, ,,, ,,,
Poor cut _ uneven
cutting
13 Loose or damaged wiring. 13
14 Engine valves out of adjustment. 14
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1 Worn, bent or loose blade. 1
2 Bent blade mandrel. 2
3 Loose/damaged part(s). 3
;i Faulty operai'or-safety presence ......... 1
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.
1
2
3
4_
5
Check all wiring.
contact ..... aq_iified service ce,n!er.
Replace blade, Tighten blade bolt
Contact a qualified service center.
Tighten loose part(s).
Replace damaged parts.
Check wiring, switches and
connections. If not corrected,
contact a qualified service center.
CAUTION: DO NOT
operate machine until
problem is corrected.
Replace blade. Tigbtenbiade b01t.
Level mower deck,
Clean underside of mower
housing,
Contact a qualified service center.
Clean around mandrels to
open vent holes,
35