Craftsman 247.77586 Owner's Manual page 18

PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Engine fails to start
Loss of power; operation erratic
Engine overheats
Too much vibration
Unit does not discharge
Rate of discharge slows
considerably or composition of
discharged material changes
1. Fuel tank empty, or stale fuel
2. Spark plug wire disconnected
3. Faulty spark plug
4. Throttle control not in correct
position
1. Spark plug wire loose
2. Unit running on Choke
3. Blocked fuel line or stale fuel
4. Water or dirt in fuel system
5. Carburetor out of adjustment
6. Dirty air cleaner
1. Carburetor not adjusted properly
2. Engine oil level low
1. Loose parts or damaged
impeller
1. Discharge chute clogged
2. Foreign object lodged in
impeller
1. Shredding blade and/orchipping
blade dull
1. Fill tank with clean, fresh fuel
2. Connect wire to spark plug.
3. Clean, adjust gap or replace.
4. Move throttle control to FAST
position
1. Connect and tighten spark plug
wire
2. Move choke lever to OFF
position
3. Clean fuel line; fill tank with
clean, fresh gasoline.
4. Disconnect fuel line at carburetor
to drain fuel tank. Refill with fresh
fuel.
5. Contact your SEARS service
center.
6. Service air cleaner.
1.
2.
1.
Contact your SEARS service
center
Fill crankcase with proper oil
Stop engine immediately and
disconnect spark plug wire.
Tighten all bolts and nuts. Make
all necessary repairs. If vibration
continues, have unit serviced
by a SEARS service center.
1. Stop engine immediately and
disconnect spark plug wire.
clean flail screen and inside of
blower housing.
2. Stop engine immediately and
disconnect spark plug wire.
Remove lodged object.
1. Sharpen or replace blade(s)
For repairs beyond the minor adjustments listed above, please contact your nearest SEARS
service center.
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