2010/10/20 Caterpillar


A New Camshaft Thrust Washer and Plate Are Used in C175 Machine Engines {1210, 1210}

Usage:

3524B A4K
Off-Highway Truck/Tractor:
793F (S/N: B7B1-UP)
797F (S/N: LLM1-UP)
Machine Engine:
C175-20 (S/N: A4K1-UP)

Description of Change: The new thrust washer and plate have a joint with three bolts that is more rugged than the previous thrust washer with two holes.

Adaptable To:

Note: The new parts are adaptable to the above machines back to first production. However, because the engines do not have a hole for the third (middle) bolt, only two bolts can be used with the new parts.The new parts and the former parts are listed in Table 1.

The new parts are effective with B7B00147, LLM00133, and A4K00112,

Table 1
New Part     Former Part    
347-4872 Thrust Washer     300-3128 Thrust Washer    
347-4871 Plate     n/a    
6V-3822 Bolt     6V-4248 Bolt    

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