Troy-Bilt 645A-Bronco Problem, Possible Cause, Correction, Maintenance, Troubleshooting, shut off

Models: 645A-Bronco

1 36
Download 36 pages 12.72 Kb
Page 25
Image 25
TROUBLESHOOTING

Section 5: Maintenance

TROUBLESHOOTING

Before performing any corrections, refer to the appropriate information in this Manual, or in the Engine Owner’s Manual, for the correct safety precautions and operating or maintenance procedures. Contact your local authorized Engine Service Dealer for engine service. Contact your local authorized equipment dealer or the factory for all other service problems.

PROBLEM

 

POSSIBLE CAUSE

 

CORRECTION

 

 

 

 

 

 

Engine does

1. Spark plug wire disconnected.

1.

Reconnect wire.

not start.

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(s).

6.

Clean or replace filter(s).

 

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 cable.

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

1. Misadjusted throttle control or ignition switch.

1.

See Engine Owner’s Manual or Engine Service Dealer.

shut off.

 

 

 

 

Wheels and Tines

1. Improper use of controls.

1.

Review Sections 3 and 4.

will not turn.

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

1. Wheel Drive Pins not in WHEEL DRIVE.

1.

See “Wheel Drive Pins” in Section 3.

wheels don’t.

2. Internal transmission wear or damage.

2.

Contact local Dealer or the Factory.

 

 

 

 

Wheels Turn, but

1. Tine holder mounting hardware missing.

1.

Replace hardware.

Tines Don’t.

2. Internal transmission wear or damage.

2.

Contact local Dealer or the Factory.

 

 

 

 

Poor tilling

1. Worn tines.

1.

See “Tines” (Section 5).

performance.

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.

 

 

 

 

 

25

Page 25
Image 25
Troy-Bilt 645A-Bronco Problem, Possible Cause, Correction, Maintenance, Troubleshooting, Engine does, not start, shut off