MTD 556 - Manual (Page 17)

TROUBLE SHOOTING GUIDE
Trouble Possible Cause(s) Corrective Action
Engine fails to start 1. Fuel shut-off valve closed (if so
equipped).
2. Fuel tank empty, or stale fuel.
3. Blocked fuel line.
4. Spark plug wire disconnected.
5. Faulty spark plug.
1. Open fuel shut-off valve.
2. Fill tank with clean, fresh gasoline.
3. Clean fuel line.
4. Connect wire to spark plug.
5. Clean, adjust gap or replace.
Engine runs erratic 1. Unit running on CHOKE.
2. Spark plug wire loose.
3. Blocked fuel line or stale fuel.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor out of adjustment.
1. Wove choke lever to OFF position.
2. Connect and tighten spark plug
wire.
3. Clean fuel line; fill tank with clean
fresh gasoline.
4. Drain fuel tank. Refill with fresh
fuel.
5. Clean air cleaner.f
6. Adjust carburetor.t
Engine overheats 1. Engine oil level low.
2. Air flow restricted.
3. Carburetor not adjusted properly.
1. Fill crankcase with proper oil.
2. Remove blower housing and
clean.t
3. Adjust carburetor.t
Will not split logs Reservoir fluid level low. Check and fill reservoir tank as
instructed in Operation section
of this manual.
Leaking cylinder 1. Broken seals.
2. Scored cylinder.
1. Replace seals.*
2. Replace cylinder*
NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest authorized service dealer.
*Should be performed by an authorized service dealer only,
t Refer to separate engine manual packed with your log splitter.
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