Craftsman 917.27390 Operator's Manual page 31

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM
CAUSE CORRECTION
Loss of power
Cutting too much grass/too fast. Raise cutting height/reduce speed.
build-up of grass, leaves, and
trash around mandrels.
2 | Throttle in "CHOKE" position. 2 | Adjust throttle control.
Build-up of grass, leaves and Clean underside of mower
trash under mower. housing.
4 | Dirty air filter. 4 | Clean/replace air filter.
5 | Low oil level/dirty oil. 5 | Check oil level/change oil.
6 | Faulty spark plug. 6 | Clean &regap or change spark plug.
7 | Dirty fuel filter. 7 | Replace fuel filter.
8 | Stale or dirty fuel. 8 | Empty fuel tank and refill tank with
fresh, clean gasoline.
9 | Water in fuel. 9 | Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
10 | Spark plug wire loose. 10} Connect & tighten spark plug wire.
11 | Dirty engine air screen/fins. 11] Clean engine air screen/fins.
12 | Dirty/clogged muffler. 12| Clean/replace muffler.
13 | Loose or damaged wiring. 13} Check ail wiring.
14 | Engine valves out of adjustment. [14] Contact a Sears or other qualified
service center.
Excessive vibration 1 | Worn, bent or loose blade. 1 | Replace blade. Tighten blade bolt,
2 |} Bent blade mandrel. 2 | Contact a Sears or other qualified
service center.
3 | Loose/damaged part(s). 3 | Tighten loose part(s).
Replace damaged parts.
Engine continues to | 1 | Faulty operator-safety presence | 1 | Check wiring, switches and
run when operator control system. connections. If not corrected,
leaves seat with contact a Sears or other qualified
attachment clutch service center.
engaged
A CAUTION: DO NOT
operate machine until
problem is corrected.
Poor cut - uneven 1 | Worn, bent or loose blade. 1 | Replace blade. Tighten blade bolt.
cuttin
9 2 | Mower deck not level. 2 | Level mower deck.
Buildup of grass, leaves, and 3 | Clean underside of mower
trash under mower. housing.
4 | Bent blade mandrel. 4 | Contact a Sears or other
qualified service center.
5 | Clogged mower deck vent from 5 | Clean around mandrels to
open vent holes.
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