1984/12/12 Caterpillar

Starters That Remain Engaged After Engine Is Running

Usage:

All Engines With Electric Starters

Several things can cause starters to remain engaged after the engine is running. Indications that this has occured include:

1. Worn bearings in the starter drive assembly.

2. Starter drive teeth are badly worn on the reverse side.

3. Armature commutator has exploded.

4. Discoloration of the starter end cap.

5. Solenoid coils are open, or shorted windings.

If the above symptoms are observed, the starter is not usually at fault. Check for one or more of the following problems.

1. Stuck or sticking dash mounted start switch (most probable).

2. Stuck or sticking solenoid contacts (check battery).

3. Stuck or sticking starter relay (if applicable).

4. Failure of the wiring harness, battery positive to start circuit, anywhere between the start switch and the starter solenoid.

5. Loose and/or incorrectly positioned wiring on the solenoid. This can cause the solenoid to engage the starter.

Caterpillar Information System:

1984/12/12 Thread Identification Kit Available

1984/12/12 Remanufactured Turbocharger Groups

1984/12/12 Improved Turbocharger Oil Drain Elbows

1984/12/12 A Soot Filter Is Available For Use With Air Cleaners

1984/12/12 New Pressure Gauges Have Dual Scales [kPa (psi)]

1984/12/12 Causes And Correction Of Opposite Crankshaft Rotation In Direct Injection Engines

1984/12/12 Additional Information For Correct Fuel Injector Timing

1984/10/24 New Cylinder Head Gasket Helps Prevent Oil Leakage Around Gear Pocket

1984/10/24 Wiring Changed On Voltage Regulators

1984/10/24 Deflection Of Flywheel Housings Should Be Controlled During Transportation

1984/10/24 New Heat Shield For Wiring To Electrical Shutoff Group

1984/10/24 New Heat Exchanger Group Has More Cooling Capacity

1984/12/12 New 76.6°C (170°F) Water Temperature Regulators Used In Inlet Controlled Cooling Systems

1984/12/12 Additional Clamp Reduces Vibration Of Turbocharger Oil Supply Line

1984/12/12 Addition Of Lubricator Will Help Prevent Corrosion In Air Prelube Motors

1984/12/12 Preferred Engine Timing Procedures

1984/12/12 Identification Of Camshaft Groups And Valve Mechanism Groups

1984/12/12 New Seal Used In Alternator Mounting Group

1984/12/12 Rear Power Take-Off Clutch Can use Nonmetallic Plates And Grease Lubrication For Main Bearings

1984/12/12 Important Differences In Engine Arrangements On 3208 Engines Equipped With Turbochargers

1984/12/12 Remanufactured Cylinder Head Groups

1984/12/12 Use Care When Installing Circuit Boards In Regulators

1984/12/12 New Fuel Injector Assembly Reduces Smoke When Operating At Lower RPM And Load

1984/12/12 Bonnet Of Fuel Injection Pump Group Now Serviced Separately