New Fuel Pump And Governor Drive Shaft Has Pressure Lubrication For Splines
Usage:
D379, D398, D399 Industrial, Marine And Generator Set Engines
Description of Change: A new fuel pump and governor drive shaft is available for parts service on the above engines. The new drive shaft which is used in the fuel pump and governor drive group will permit pressure lubrication of the shaft splines. The pressure lubrication will decrease spline wear and noise and increase the service life of the drive shaft.
Adaptable As: The new 2W7176 Shaft is a direct replacement for the former 4L3846 Shaft on D379 and D398 Engines. The new 2W7177 Shaft is a direct replacement for the former 6L9077 Shaft on D399 Engines.
Caterpillar Information System:
1985/08/01 Special Instruction Available To Salvage Governor Housing
1985/08/01 Valve Mechanism Groups Use New Lifter Assemblies
1985/08/01 Location Of 6V5135 Setscrews In Fuel Pump Group
1985/08/01 Stronger Push Rod Used
1985/08/01 Use Care When Handling Water Seals For Cylinder Head Spacer Plates
1985/08/01 New Type Of Paint Used On Some Caterpillar Products; Do Not Weld On Painted Surfaces
1985/08/01 New, Corrosion Resistant Water Pump Shaft Available
1985/08/01 Hardened Washers Used In Engine Oil Lines; Locks Removed From Oil Pump
1985/08/01 Change To Astern Drive Shaft Reduces Horsepower Loss And Improves Ahead Clutch Cooling
1985/08/01 Problems Caused By Electric Governors That Are Not Supplied By Caterpillar
1985/08/01 Extra Injection Nozzle Clamp Helps Prevent Injection Nozzle Damage
1985/08/01 Rough Handling Can Move Droop Lever Out Of Position
1985/08/01 Substantial Price Reduction For Caterpillar Remanufactured Short Blocks
1985/09/01 Adjusting Pneumatic Speed Control For Correct Operation
1985/09/01 Changes To Fuel Systems
1985/09/01 Use Correct Valves When Rebuilding Engines
1985/09/01 Oil Pump Groups Improved
1985/09/01 New Engine Pressure Group Available
1985/09/01 Dual Element Air Cleaner Group Available
1985/09/01 New Precombustion Chamber Seal Available
1985/09/01 Check Fuel Injection Nozzles In Overheated Engines
1985/09/01 Fumes Disposal Group Improved
1985/09/01 Repair Kits Available For Air Actuator Used In Governor Control Groups
1985/09/01 New Format For Some Special Instructions