Troubleshooting - Troy-Bilt LS 33 TB Operator's Manual

Troubleshooting

Problem
Engine fails to start
Engine running erratically/
inconsistent RPM (hunting
or surging)
Engine Overheats
Cylinder rod will not move
Cause
1. Spark plug wire disconnected.
2. Fuel tank empty or stale fuel.
3. Choke, if equipped, not in CHOKE position.
4. Faulty spark plug.
5. Blocked fuel line.
6. Engine not primed properly (If equipped).
7. Throttle control lever not in correct starting
position.
1. Log Splitter running with CHOKE applied (if
equipped).
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 not adjusted properly.
1. Engine oil level low.
2. Dirty air cleaner.
3. Carburetor not adjusted properly.
1. Broken drive shaft.
2. Set screws in coupling not adjusted properly.
3. Loose shaft coupling.
4. Gear sections damaged.
5. Damaged relief valve.
6. Hydraulic lines blocked.
7. Incorrect oil level.
8. Damaged directional valve.
9. Blocked directional valve.
Remedy
1. Connect wire to spark plug.
2. Fill tank with clean, fresh gasoline.
3. Move choke to CHOKE position.
4. Clean, adjust gap, or replace.
5. Clean fuel line.
6. Prime engine.
7. Move throttle lever to FAST position.
1. Move choke lever to RUN position.
2. Connect and tighten spark plug wire.
3. Clean fuel line; fill tank with clean, fresh (less
than 30 days old) gasoline.
4. Drain fuel tank. Refill with fresh fuel.
5. Clean or replace air cleaner.
6. See authorized service dealer.
1. Fill crankcase with proper oil.
2. Clean or replace air cleaner.
3. See authorized service dealer.
1. See authorized service dealer.
2. See authorized service dealer.
3. Correct engine/pump alignment as
necessary.
4. See authorized service dealer.
5. See authorized service dealer.
6. Flush and clean hydraulic system.
7. Check oil level.
8. See authorized service dealer.
9. Flush and clean hydraulic system.
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