Improved Valve And Injector Jam Nut Used In Valve Rocker Arm Group
Usage:
3606 (8RB),
3608 (6MC),
3612 (9RC),
3616 (1PD) Engines
Description of Change: A hardened jam nut is now used on the adjusting screw for the injector and valve rocker arms. Repetitive assembly and disassembly of the 1D5120 Nut caused galling of the threads.
Adaptable To: The 6V5019 Jam Nut replaces the former 1D5120 Jam Nut in the 1W2480 Rocker Arm Group.
Location of 6V5019 Jam Nut.
Caterpillar Information System:
1990/01/01 Improved Gaskets And Covers Used In Cover Groups, Connection Group And Water Lines Groups; New Clips Used In Water Lines Groups
1990/01/01 Paper Liner Available For Centrifugal Oil Filters
1990/01/01 New Seal Group Used In Seawater Pump
1989/12/01 List of Service Publications
1989/12/01 Improved Turbocharger Wash Water Lines Group Available On Engines Powered By Residual (Heavy) Fuel
1989/12/01 Cooling System Drain Valves Available
1989/12/01 New Spark Plug Used In Ignition Groups
1989/12/01 Spark Plug Gasket Available
1989/12/01 New Flanges Used And Gaskets Added To Water Cooled Turbocharger Exhaust Connections
1989/12/01 Modification Of 2W1054 Screen Assembly For Use During Dynamometer Testing
1989/12/01 Additional Information For Checking Valve Camshaft Timing
1989/12/01 New Camshaft And Lifter Kits Available For Slipper Type Cam Followers (Valve Lifters)
1990/01/01 Unit Injector Tips Now Have An Improved Brazing Technique
1990/01/01 Service Element Available For Flexible Coupling Group
1990/01/01 New Seal Used In Governor Fastener Group
1990/01/01 New Fuel Return Valve Prevents Siphoning
1990/01/01 Separate Service Manual Microfiche Library Available For Engines Only
1990/01/01 New Cooling System Cleaner Available For All Engines
1990/02/01 Identification Of Turbocharger And Fuel System Components
1990/02/01 New Exhaust Manifold Stud Available
1990/02/01 New Oil Cooler Gasket Has Bead On Only One Side
1990/02/01 New Oil Filler Group, Oil Level Guide Group And Contactor Group Used
1990/03/01 Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications
1990/03/01 Improved Head Gasket Used; Service Tips