1982/08/25 Caterpillar


New Thrust Washer Can Prevent Wrong Oil Sample Readings

Usage:


3208 Industrial, Marine and Generator Set Engines

Description of Change: A new thrust washer is now used in the valve mechanism group for 3208 Engines. The new thrust washer has a smoother surface finish to give a reduction of wear for the rocker arm bracket.

The rotation of the former thrust washer against the aluminum rocker arm bracket caused high aluminum content in oil samples. It is possible to take the high aluminum content in an oil sample to be an indication of piston or bearing wear.

Adaptable As: The new 2W6047 Washer is a direct replacement for the former 9L9398 Washer.

Caterpillar Information System:

1982/08/25 Improved Engine Oil Cooler Assembly
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1982/06/16 New Exhaust Tubes And Support Used
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1982/06/16 Carbon Cutting On Piston Top Land
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1982/08/25 Oil Passage Plugs Are No Longer Installed In Crankshafts For Parts Service
1982/08/25 New Gear Type Pump Primes Itself At Start-Up
1982/08/25 Repair Kit For The 5P9700 Hose Cutter Is Available
1982/08/25 List Of Service Publications
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