Troubleshooting - MTD Series 550 Operator's Manual

Troubleshooting
Problem Cause l Remedy
Engine runs erratic
Cylinder rod will not move
2.
3.
4. Water or dirt in fuel system.
5. Dirty air cleaner.
6. Carburetor not adjusted properly.
2.
3_
4.
Log Splitter running with CHOKE applied. 1.
Spark plug wire loose. 2.
Blocked fuel line or stale fuel. 3.
4.
5.
6.
Broken drive shaft. 1.
Shipping plugs left in hydraulic hoses. 2.
Set screws in coupling not adjusted properly. 3.
Loose shaft coupling. 4.
Move choke lever to OFF position.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh
gasoline.
Drain fuel tank. Refill with fresh fuel.
Clean or replace air cleaner.
See authorized service dealer.
See authorized service dealer.
Disconnect hydraulic hoses, remove shipping
plugs, reconnect hoses.
See authorized service dealer.
Correct engine/pump alignment as
5. Gear sections damaged.
6. Damaged relief valve.
7. Hydraulic lines blocked.
8. Incorrect oil level.
9. Damaged directional valve.
10. Blocked directional valve.
necessary.
5. See authorized service dealer.
6. See authorized service dealer.
7. Flush and clean hydraulic system.
8. Check oil level.
9. See authorized service dealer.
10. Flush and clean hydraulic system