Craftsman 917.28973 Operator's Manual page 33

TROUBLESHOOTING CHART:
See appropriate section in manual unless directed to Sears service center
PROBLEM CAUSE
Engine clicks but 1
Weak or dead
battery.
will not start
2 Corroded battery terminals.
3 Loose or damaged wiring.
4 Faulty solenoid or starter.
Loss of power
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.
Water in fuel.
CORRECTION
1 Recharge or replace battery.
2 Clean battery terminals.
3 Check all wiring.
4 Check/replace solenoid or starter.
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 and regap or change spark
plug.
7 Replace fuel filter.
8 Empty fuel tank and refill tank witl-
fresh, clean gasoline.
9 Empty fuel tank and carburetor,
refill tank with fresh gasoline and
replace fuel filter.
10 Connect and tighten spark plug
wire.
11 Clean engine air screen/fins.
12 Clean/replace muffler.
13 Check all wiring.
14 See "To Adjust Carburetor" in
Service and Adjustments section.
15 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
10 Spark plug wire loose.
11 Dirty engine air screen/fins.
12 Dirty/clogged muffler.
13 Loose or damaged wiring.
14 Carburetor out of adjustment.
15 Engine valves out of adjustment.
Excessive vibration
1 Worn, bent or loose blade.
2 Bent blade mandrel.
3 Loose/damaged part(s).
Engine continues to 1 Faulty operator-safety
presence
run when operator
control
system.
leaves seat with
attachment clutch
engaged
Poor cut - uneven
cutting
Worn, bent or loose blade.
Mower deck not level.
Buildup of grass, leaves, and
trash under mower.
33
Replace blade. Tighten blade bolt
Level mower deck.
Clean underside of mower
housing.