Troy-Bilt TUFFY CRT 644A - Manual (Page 22)

A
WARNING: Before inspecting, cleaning or servicing the machine, shut off engine, wait for ail
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
PROBLEM POSSIBLE CAUSE CORRECTION
Engine does not start 1. Spark plug ¥\/ire disconnected.
2. Engine Throttie Controi 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. 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.
Engine runs poorly. 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. 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).
Engine overheats. 1. Engine cooling system clogged.
2. Carburetor out of adjustment,
3. Oil level is low.
1. Clean air cooling area (see Engine Owner’s Manual).
2. See Engine Service Dealer.
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.
W h e e l s a n d T i n e s w i l l n o t t u r n
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. Review Sections 3 and 4.
2. See "Checking Drive Belt Tension,” Section 5.
3. Contact local dealer or the factory.
4. Tighten bolt.
T i n e s t u r n , b u t w h e e l s d o n ’ t .
1. Wheel Drive Pins not in WHEEL DRIVE.
2. Bolt loose in transmission pulley.
3. Internal transmission wear or damage.
1. See “Wheel Drive Pins” in Section 3.
2. Tighten bolt.
3. Contact local Dealer or the Factory.
W h e e l s T u r n , b u t T i n e s D o n ’ t .
1. Tine holder mounting hardware missing.
2. Bolt loose in transmission pulley.
3. Internal transmission wear or damage.
1. Replace hardware.
2. Tighten bolt,
3. Contact local Dealer or the Factory.
P o o r t i l l i n g p e r f o r m a n c e .
1. Worn tines.
2. Improper Depth Regulator setting.
3. Incorrect throttle setting.
4. Forward Drive Belt slipping.
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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