1978/12/13 Caterpillar


A Washer With Closer Tolerances Is Now Used In The Governor And Fuel Pump Drive Group

Usage:


3208 Truck Engines;
3208 Marine Engines

Description of Change: A new washer is used in the engine governor and fuel pump drive groups for the above models. The sides of the new washer are more parallel and flat than those of the former washer. In addition, the inside and outside diameters of the new washer are held to more exact tolerances. The closer tolerances of the new washer will prevent excessive (too much) runout and possible failure of the 9N1856 Shaft Assembly.

Adaptable As: The new 9N5022 Washer is a direct replacement for the former 4N3371 Washer.


Location of parts.

Caterpillar Information System:

1978/12/13 New Hose Has More Resistance To Heat
1978/11/15 5P8690 Fixture Group And 5P8691 Socket Are Available For Easier Reconditioning Of 5M4169 Cam Followers
1978/11/15 New Fuel Injection Nozzles Are Used In 3208 Truck Engines When Equipped With EGR
1978/11/15 Tips For Service Information Retrieval System (SIRS) Users
1978/11/15 Improvement Made To Solenoid In Electric Shut-Off Group
1978/11/15 New Transmission Mounting Group Has Improved Design For Longer Service Life
1978/11/15 New Control Cover Gives Better Control Of Exhaust Gas Recirculation System
1978/10/18 Salvage Of Turbocharger Compressor Housing During Reconditioning
1978/10/18 A New 5P9698 Frequency Calibrator Is Available For The Calibration Of Caterpillar Diagnostic Tools
1978/10/18 4J7533 O-Ring Seals Now Available For Parts Service Of The 5P4150 Nozzle Tester Group
1978/10/18 How To Obtain Correct Delivery Date For Warranty Claims
1978/10/18 New Head Assemblies, Head Gaskets, And Spacer Plate Gaskets Prevent Oil Leakage At The Spacer Plate
1978/12/13 New Exhaust Valve Has Improved Three-Piece Construction
1978/12/13 New Piston Groups Use Keystone-Type Piston Rings And Have Improved Design Of Valve Pockets
1978/12/13 Single Coil Shut-Off Solenoid Used In Place Of Dual (Two) Coil Shut-Off Solenoid
1978/12/13 Sender Unit For Engine Oil Pressure Gauge Moved To New Location On Truck Cab
1978/12/13 New Coolant Temperature Regulator Has Flat Washer-Type By-Pass Valve
1978/12/13 List Of Service Publications
1978/12/13 New Design Brace Used In 4N2905 Air Cleaner Group
1978/12/13 90° Elbow Added To Air Cleaner Group To Prevent Damage To The Air Filter Service Indicator
1978/12/13 New Electric Service Meter Used
REWORK HMSO (HYDRAMECHANICAL SHUTOFF) ON D379B D398B D399 IN ALL APPLICATIONS IF SO EQUIPPED PI7004 WORLDWIDE REWORK HMSO (HYDRAMECHANICAL SHUTOFF) ON D379B D398B D399 IN ALL APPLICATIONS IF SO EQUIPPED PI7004 WORLDWIDE
PSP FOR INSTALLING NEW FUEL RATIO CONTROL ON 3306 DI-TA TRUCK ENGINES PS0160 WORLDWIDE EXCEPT BRAZIL COSA SENT TO TRUCK TEPS PSP FOR INSTALLING NEW FUEL RATIO CONTROL ON 3306 DI-TA TRUCK ENGINES PS0160 WORLDWIDE EXCEPT BRAZIL COSA SENT TO TRUCK TEPS
PRIORITY:INSTALLING GEAR-TYPE OIL PUMP; INSPECT OUTPUT SPLINES AND CONTROL VALVE PIP965 US AND ALL AMERICAS PRIORITY:INSTALLING GEAR-TYPE OIL PUMP; INSPECT OUTPUT SPLINES AND CONTROL VALVE PIP965 US AND ALL AMERICAS
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