Troubleshooting - Troy-Bilt Tuffy 630C Operator's Manual

PROBLEM
Engine does not start
Engine runs poorly.
Engine overheats.
Engine does not shut off
Wheels and Tines will not turn
Tines turn, but wheels don't.
Wheels Turn, but Tines Don't.
Poor tilling performance.
WARNING:
Before inspecting, cleaning or servicing the machine, shut off engine, wait for all
moving parts to come to a complete stop, disconnect spark plug wire and move wire away from
spark plug. Failure to follow these instructions can result in serious personal injury or property
damage.

TROUBLESHOOTING

POSSIBLE CAUSE
1. Spark plug wire disconnected.
2. Engine Throttle Control Lever incorrectly set.
3. Fuel tank empty.
4. Choke control (if so equipped) in incorrect position.
5. Stale gasoline.
6. Dirty air filter.
7. Defective or incorrectly gapped spark plug.
8. Carburetor out of adjustment.
9. Misadjusted throttle control.
10. Dirt or water in fuel tank.
1. Defective or incorrectly gapped spark plug.
2. Dirty air filter(s).
3. Carburetor out of adjustment.
4. Stale gasoline.
5. Dirt or water in fuel tank.
6. Engine cooling system clogged.
1. Engine cooling system clogged.
2. Carburetor out of adjustment.
3. Oil level is low.
1. Misadjusted throttle control or ignition switch.
1. Improper use of controls.
2. Worn, broken, or misadjusted drive belt(s).
3. Internal transmission wear or damage.
4. Bolt loose in transmission pulley.
1. Wheel Drive Pins not in WHEEL DRIVE.
2. Bolt loose in transmission pulley.
3. Internal transmission wear or damage.
1. Tine holder mounting hardware missing.
2. Bolt loose in transmission pulley.
3. Internal transmission wear or damage.
1. Worn tines.
2. Improper Depth Regulator setting.
3. Incorrect throttle setting.
4. Forward Drive Belt slipping.
1. Reconnect wire.
2. Put lever in START position.
3. Add fuel.
4. See Engine Owner's Manual.
5. Drain fuel and add fresh fuel.
6. Clean or replace filter.
7. Inspect spark plug.
8. See Engine Service Dealer.
9. See Engine Service Dealer
10. See Engine Service Dealer.
1. Inspect spark plug (see Engine Owner's Manual).
2. Clean or replace (see Engine Owner's Manual).
3. See Engine Service Dealer.
4. Replace with fresh gasoline.
5. See Engine Service Dealer.
6. Clean air cooling system (see Engine Owner's Manual).
1. Clean air cooling area (see Engine Owner's Manual).
2. See Engine Service Dealer.
3. Check oil level (see Engine Owner's Manual).
1. See Engine Owner's Manual or Engine Service Dealer.
1. Review Sections 3 and 4.
2. See "Checking Drive Belt Tension," Section 5.
3. Contact local dealer or the factory.
4. Tighten bolt.
1. See "Wheel Drive Pins" in Section 3.
2. Tighten bolt.
3. Contact local Dealer or the Factory.
1. Replace hardware.
2. Tighten bolt.
3. Contact local Dealer or the Factory.
1. See "Bolo Tines" (Section 5).
2. See "Tilling Tips & Techniques," Section 4.
3. See Section 4.
4. See "Checking Forward Drive Belt Tension," Section 5.
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CORRECTION