Troubleshooting - MTD A Serie Manual Del Operador

Troubleshooting

Problem
Engine fails to start
Engine fails to start with
electric starter
(Electric Start Units Only)
Engine runs erratic
Engine overheats
Occasional skips
(hesitates) at
high speed
14
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.
8. Fuel valve (if equipped) closed.
9. Engine not choked (if equipped with choke).
1. Electric Starter Push Key not fully inserted.
2. Battery not charged.
3. Circuit breaker tripped.
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.
6. Unit running with CHOKE (if equipped)
applied.
1. Engine oil level low.
2. Air flow restricted.
1. Spark plug gap too close.
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 Engine
Operator's Manual.
5. Clean, adjust gap, or replace.
6. Clean fuel line.
7. Wait a few minutes to restart; do not
prime.
8. Open fuel valve. See Engine Operator's
Manual.
9. Choke engine. See Engine Operator's Manual.
1. Insert Electric Starter Push Key into starter
housing until it snaps into place.
2. Charge battery.
3. Debris may be blocking blade operation.
Stop engine, remove Electric Starter Push
Key, and disconnect spark plug boot. Verify
grass or other debris are not obstructing
the blade. Carefully clean out debris if
necessary. Reattach spark plug boot and
reinsert Electric Starter Push Key. Wait one
minute after tripping for circuit breaker to
automatically self-reset then reattempt start.
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.
6. Push CHOKE knob in.
1. Fill crankcase with proper oil.
2. Clean area around and on top of engine.
1. Adjust spark plug gap. Refer to Engine
Operator's Manual.
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