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WARNING
Disconnect the spark plug wire 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.
This section addresses minor service issues. Please refer to the supplied Engine Owner's Manual for more troubleshooting.
Problem
Cause
Engine Fails to start
1. Engine control lever disengaged.
2. Spark plug boot disconnected.
3. Fuel tank empty or stale fuel.
4. Faulty spark plug.
6. Blocked fuel line.
Engine runs erratic
1. Spark plug boot loose.
2. Stale fuel.
3. Vent is obstructed.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Blocked fuel line.
Engine overheats
1. Engine oil level low.
2. Air flow restricted.
Occasional skips (hesitates) 1. Spark plug gap too close.
Idles poorly
1. Spark plug fouled, faulty, or gap too wide.
2. Dirty air cleaner.
Excessive vibration
1. Unbalanced trimmer line.
2. Loose parts.
16 - EN
TROUBLESHOOTING
Remedy
1. Engage the control lever.
2. Connect the spark plug.
3. Fill tank with clean, fresh gasoline.
4. Clean, adjust gap, or replace.
6. Contact your service dealer to clean the fuel line cleaned.
1. Connect and tighten spark plug boot.
2. Fill tank with clean, fresh gasoline.
3. Clear air vent.
4. Run engine until it stops from lack of fuel. Refill with fresh fuel.
5. Refer to Engine Owner's Manual.
6. Contact your service dealer to clean the fuel line cleaned.
1. Fill crankcase with proper oil.
2. Clear area around and on top of engine.
1. Adjust gap by a qualified specialist.
1. Reset gap or replace spark plug.
2. Clean the air cleaner following the instructions in Engine Owner's Manual.
1. Adjust the trimmer line until two ends are even.
2. Check and tighten.
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