Troy-Bilt 640C-Tuffy Tiller User Manual


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