Troubleshooting - Troy-Bilt series 650 Operator's Manual

Troubleshooting

Problem
Engine does not start
Engine runs poorly
Engine overheats
Engine does not shut off
Wheels/Tines will not turn
Tines turn, but wheels don't
Wheels turn, but tines Don't
Poor tilling performance
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Cause
1. Spark plug wire disconnected.
2. Engine Throttle Control Lever incorrectly set.
3. Fuel tank empty.
4. Stale gasoline.
5. Dirty air filter.
6. Defective or incorrectly gapped spark plug.
7. Carburetor out of adjustment.
8. Misadjusted throttle control.
9. 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
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. Forward Drive Belt slipping.
Remedy
1. Reconnect wire.
2. Put lever in START position.
3. Add fuel.
4. Drain fuel and add fresh fuel.
5. Clean or replace filter (see Engine Manual).
6. Inspect spark plug (see Engine Manual).
7. See Engine Service Dealer.
8. See Engine Service Dealer
9. See Engine Service Dealer.
1. Inspect spark plug (see Engine Manual).
2. Clean or replace (see Engine Manual).
3. See Engine Service Dealer.
4. Replace with fresh gasoline.
5. See Engine Service Dealer.
6. Clean air cooling system (see Engine Manual).
1. Clean air cooling area (see Engine Manual).
2. See Engine Service Dealer.
3. Check oil level (see Engine Manual).
1. See Engine Manual or Engine Service Dealer.
1. Review Operation section.
2. Replace or adjust belts.
3. Contact local dealer or the factory.
4. Tighten bolt.
1. Inserts Drive Pins properly.
2. Tighten bolt.
3. Contact local Dealer or the Factory.
1. Replace hardware.
2. Tighten bolt.
3. Contact local Dealer or the Factory.
1. Replace Tines.
2. See "Tilling Tips & Techniques."
3. See Maintenance & Adjustments Section.
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