2000/10/30 Caterpillar


A New Seal Is Used In The Alternator Mounting Group {1405}

Usage:

793B 1HL
Off-Highway Trucks/Tractors:
776C (PIN: 2TK)
776D (PIN: AFS)
777C (PIN: 4XJ)
777D (PIN: 3PR; AGC)
784B (PIN: 5RK)
785 (PIN: 8GB)
785B (PIN: 6HK)
785C (PIN: APX)
789B (PIN: 7EK)
789C (PIN: 2BW)
793B (PIN: 1HL)
793C (PIN: 4AR; 4GZ; ATY)
Wheel Loaders:
992G (PIN: ADZ)
994D (PIN: 3TZ)
Excavator:
5130B (PIN: 4CS)
Wheel Tractors:
854G (PIN: 1JW; AMP)
Remanufactured Machine Engines:
3512 (S/N: 6FL)
3516 (S/N: 7CL)

Description of Change: A new seal is used in the alternator mounting group on these machines and remanufactured machine engines. The new seal includes a dust lip. The former seal did not have a dust lip. The dust lip helps prevent foreign material from damaging the inner lip of the seal. This will help prevent oil leaks past the new seal.

Adaptable To: The new 189-5178 Seal is a direct replacement for the 9X-4612 Lip Seal in the following groups:

Use the 1P-0520 Driver Gp to install the new 189-5178 Seal. The lips of the new 189-5178 Seal must be oriented as the illustration shows.


Illustration 1g00750756

The location and the orientation of the new 189-5178 Seal (1) in the 7E-4836 Alternator Mounting Gp is shown.

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