Troubleshooting - MTD 02B Series Operator's Manual

Troubleshooting

Problem
Engine fails to start
Engine runs erratic
Engine overheats
Occasional skips
(hesitates) at high speed
Idles poorly
Excessive vibration
Uneven cut
16
Cause
1. Blade control disengaged.
2. Spark plug boot disconnected.
3. Fuel tank empty or stale fuel.
4. Engine not primed (if equipped with primer).
5. Faulty spark plug.
6. Blocked fuel line.
7. Engine flooded.
1. Spark plug boot loose.
2. Blocked fuel line or stale fuel.
3. Vent in gas cap plugged.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
1. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
1. Spark plug fouled, faulty, or gap too wide.
2. Dirty air cleaner.
1. Cutting blade loose or unbalanced.
2. Bent cutting blade.
1. Wheels not positioned correctly.
2. Dull blade.
Remedy
1. Engage blade control.
2. Connect wire to spark boot.
3. Fill tank with clean, fresh gasoline.
4. Prime engine as instructed in the Operation
section.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Wait a few minutes to restart, but do not
prime.
1. Connect and tighten spark plug boot.
2. Clean fuel line; fill tank with clean, fresh
gasoline.
3. Clear vent.
4. Drain fuel tank. Refill with fresh fuel.
5. Refer to Engine Operator's Manual.
1. Fill crankcase with proper oil.
2. Clean area around and on top of engine.
1. Adjust gap. Refer to Engine Operator's
Manual.
1. Reset gap or replace spark plug.
2. Refer to Engine Operator's Manual.
1. Tighten blade and adapter. Balance blade.
2. See an authorized service dealer.
1. Place all four wheels in same height position.
2. Sharpen or replace blade.
8