New Outer Bearing Race Used In Auxiliary Fan Drive Group
Usage:
3408 And 3408B Industrial, Marine And Generator Set Engines (67U, 99U, 78Z);
3412 Industrial, Marine And Generator Set Engines (38S, 60U, 81Z)
Description of Change: A new outer bearing race is used in the auxiliary fan drive groups in the above applications. The new bearing race has a larger inside diameter than the former bearing race. This will decrease the roller bearing preload and help to increase the service life of the auxiliary fan drive group.
Adaptable As: The new 8T209 Roller Bearing Race is a direct replacement for the former 6V6570 Roller Bearing Race which is canceled.
Location of new 8T109 Roller Bearing Race.
Caterpillar Information System:
1984/10/24 New Cylinder Heads, Fuel Nozzles And Fuel Nozzle Adapters Used
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1984/10/03 New Service Tools Available
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1984/10/24 New Heat Exchanger Group Has More Cooling Capacity
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1984/10/24 Wiring Changed On Voltage Regulators
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1984/12/12 Additional Information For Correct Fuel Injector Timing