Troubleshooting - Craftsman 247.77003 Operator's Manual

This section addresses minor service issues. To schedule repair by an authorized service dealer call Craftsman at 1-888-331-4569.
Problem
Engine Fails to start
Engine runs erratic
Engine overheats
Occasional skips (hesitates)

TROUBLESHOOTING

Disconnect the spark plug wire and ground it against the engine to prevent
unintended starting. 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. Always wear safety glasses during operation
or while performing any adjustments or repairs.
Cause
1. Ignition ON/OFF switch in OFF position.
2. Choke control not in CHOKE position.
3. Spark plug boot disconnected.
4. Faulty spark plug.
5. Fuel tank empty or stale fuel.
6. Blocked fuel line.
7. Cannot pull recoil starter cord.
8. Safety switch not depressed.
9. Safety switch wire is not connected to engine or not
properly grounded.
1. Unit running on CHOKE.
2. Spark plug boot loose.
3. Stale fuel.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Low engine RPM.
7. Blocked fuel line.
1. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
WARNING
1. Move Ignition ON/OFF switch to ON position.
2. Move choke control to CHOKE position.
3. Connect wire to spark boot.
4. Clean, adjust gap, or replace.
5. Fill tank with clean, fresh gasoline.
6. Call Craftsman at 1-888-331-4569 to have fuel line cleaned.
7. Obstruction lodged in impeller. Disconnect spark plug wire and
remove lodged object.
8. Safety switch must be depressed by the front tab on the bag
handle when securing the bag.
9. Connect safety switch wire to engine connector and ground to
mounting bracket.
1. Move choke control to RUN position.
2. Connect and tighten spark plug boot.
3. Fill tank with clean, fresh gasoline.
4. Run engine until it stops from lack of fuel. Refill with fresh fuel.
5. Refer to Air Cleaner in Engine Maintenance section.
6. Always run engine at full throttle.
7. Call Craftsman at 1-888-331-4569 to have fuel line cleaned.
1. Fill crankcase with proper oil.
2. Clean area around and on top of engine.
1. Adjust gap. Refer to Spark Plug in Engine Maintenance section.
21
Remedy