Troubleshooting - Craftsman 247.776360 Operator's Manual

Problem
Engine fails to start
Engine runs erratic
Engine overheats
Occasional skips
(hesitates) at
high speed
Excessive
Vibration
Unit does not
discharge
Rate of discharge
slows considerably
or composition of
discharged material
changes

TROUBLESHOOTING

Cause
1. Throttle lever not in correct starting
position (if equipped).
2. Spark plug wire disconnected.
3. Choke not in CHOKE position (if
equipped).
4. Fuel tank empty or stale fuel.
5. Engine not primed (if equipped).
6. Faulty spark plug.
7. Blocked fuel line.
8. Engine flooded.
1. Spark plug wire loose.
2. Unit running on CHOKE (if equipped).
3. Blocked fuel line or stale fuel.
4. Vent in gas cap plugged.
5. Water or dirt in fuel system.
6. Dirty air cleaner.
7. Carburetor out of adjustment.
1. Engine oil level low.
2. Dirty air cleaner.
3. Carburetor not adjusted properly.
1. Spark plug gap too close.
2. Carburetor idle mixture adjustment
improperly set.
1. Loose parts or damaged impeller.
1. Chute deflector clogged.
2. Foreign object lodged in impeller.
3. Low engine RPM.
1. Low engine RPM.
2. Chipper blade dull.
1
Remedy
1. Move throttle lever to FAST or
START position.
2. Connect wire to spark plug.
3. Move choke lever to CHOKE
position.
4. Fill tank with clean, fresh gasoline.
5. Prime engine as instructed in
Engine Manual.
6. Clean, adjust gap, or replace.
7. Clean fuel line.
8. Wait a few minutes to restart, but
do not prime.
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. Clear vent.
5. Drain fuel tank. Refill with
fresh fuel.
6. Refer to engine manual.
7. See authorized service dealer.
1. Fill crankcase with proper oil.
2. Refer to engine manual.
3. See authorized service dealer.
1. Adjust gap to .030".
2. See authorized service dealer.
1. See authorized service dealer.
1. Stop engine immediately and
disconnect spark plug wire. Clean
flail screen and inside of discharge
opening.
2. Stop engine and disconnect spark
plug wire. Remove lodged object.
3. Always run engine at full throttle.
1. Always run engine at full throttle.
2. Replace chipper blade or see your
authorized service dealer.