Troubleshooting - Craftsman 247.776150 Operator's Manual

This section addresses minor service issues. To locate the nearest Sears Service Center or to schedule service, call the following toll free number: 1-888-331-4569.
Problem
Engine fails to start
Engine runs erratically
Engine overheats
Engine hesitates at high RPMs
Engine idles poorly
Excessive vibration
Unit does not discharge
Rate of discharge slows considerably
or composition of discharged
material changes

TROUBLESHOOTING

Before performing any type of maintenance/service, disengage all controls and stop
the engine. Wait until all moving parts have come to a complete stop. Disconnect spark
plug wire and ground it against the engine to prevent unintended starting. Always wear
safety glasses during operation or while performing any adjustments or repairs.
Cause
1. Throttle lever not in correct starting position
2. Choke not in the CHOKE position
3. Spark plug wire disconnected
4. Faulty spark plug
5. Fuel tank empty or stale fuel
6. Cannot pull recoil cord
7. Engine flooded
1. Unit running on CHOKE
2. Spark plug wire loose
3. Stale fuel
4. Water or dirt in fuel system
5. Dirty air cleaner
6. Low engine RPM
7. Carburetor out of adjustment
1. Engine oil level low
2. Air flow restricted
1. Spark plug gap set too close
1. Fouled spark plug
2. Dirty air cleaner
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
WARNING
1. Move throttle lever to START/RUN position.
2. Move CHOKE to the CHOKE position.
3. Connect wire to spark plug.
4. Clean, adjust gap, or replace.
5. Fill tank with clean, fresh gasoline.
6. Obstruction lodged in impeller. Disconnect spark plug wire
and remove lodged object.
7. Wait a few minutes to restart.
1. Move choke lever to the RUN position.
2. Connect and tighten spark plug wire.
3. Fill tank with fresh gasoline.
4. Refill with fresh fuel.
5. Clean or replace air cleaner filter.
6. Always run engine at full throttle.
7. Contact a Sears or other qualified service dealer for repair.
1. Fill engine with proper amount and type of oil.
2. Clean debris from around the engine's cooling fins and
blower housing.
1. Remove spark plug and adjust gap.
1. Replace spark plug and adjust gap.
2. Replace air cleaner cartridge.
1. Stop engine immediately and disconnect spark plug wire.
Contact a Sears or other qualified service dealer for repair.
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 or sharpen chipper blade or contact a Sears or other
qualified service dealer for repair.
17
Remedy