1982/12/08 Caterpillar


New Seal Used On Governor Control Shaft

Usage:


3208 And 3306 Truck Engines With Sleeve Metering Fuel Systems

Description of Change: A new seal is used in the governor groups on the above engines. The new seal has an improved design which will make a better seal around the governor control shaft.

Reports show that there have been problems with cracks in the former seal. The cracks can permit air to get into the fuel system. This air will cause hard starting, loss of power, and white smoke.

Adaptable As: The new 2W4037 Seal is a direct replacement for the former 4N2786 Seal, which is canceled.

Before a new seal is installed, check the position of the bushing in the housing. The bushing must be even with the counterbore in the housing. The 1P529 Handle, 1P460 and 1P457 Driver Plates, which are components of the 1P510 Driver Group can be used to install the bushing to the correct depth. Put a thin layer of 7M7260 Liquid Gasket on the outside diameter of the seal. Use the 1P529 Handle, 1P463 and 1P457 Driver Plates to install the seal.

Caterpillar Information System:

1982/12/08 Make Change To 6V2100 Multitach And 5P9698 Calibrator
1982/10/27 Changes In Engine Rpm; Governor Does Not Operate Correctly
1982/10/27 Bulged Capsule-type Fuel Nozzles
1982/10/27 Additional 3208 Remanufactured Truck Engines Available
1982/10/27 New Fuel Nozzle Test Sheet Available
1982/10/27 Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter
1982/10/27 Wider Crankshaft Gear Used
1982/10/27 New Oil Additives Can Cause High Copper (cu) Indications During S.o.s. Tests
1982/10/27 Dial Bore Gauge And Size Setting Fixture Available
1982/10/27 Indications From 6V3100 Timing Indicator Group Must Be Corrected For Some Applications
1982/10/27 Service Information For Easier Use Of The 6V3100 Timing Indicator Group
1982/10/27 Engine Slobbering; New Piston And Rings Used
1982/12/08 New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip
1982/12/08 6V6142 And 6V6143 Installers Can Be Used To Install Crankshaft Seals And Wear Sleeves
1982/12/08 Service Parts Available For The 5P4150 Nozzle Testing Group
1982/12/08 New Crankshaft Seal Groups Used
1982/12/08 6V4869 Adapter And 6V6174 Plug Can Be Used To Install Camshaft Bearings
1982/12/08 Resurfaced Cylinder Blocks And Heads
1982/12/08 List Of Service Publications
1982/12/08 6V6175 And 6V6176 Torque Adapters Make Installation Of Fuel Pump Drive Gear Easier
1982/12/08 Improvements Made To Fuel Ratio Control
1982/12/08 Removal Of Hydraulic Override From Fuel Ratio Control
1982/12/08 Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/12/08 Power Analysis Report (PAR) Available At More Dealers
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