2008/05/19 Caterpillar


A New Gasket is Available for Mounting of the Air Starting Motor {1451, 7555}

Usage:

793B 1HL
Off-Highway Truck/Tractor:
776B (S/N: 6JC1-UP)
776C (S/N: 2TK1-UP)
776D (S/N: 5ER1-UP)
777B (S/N: 4YC1-UP)
777C (S/N: 4XJ1-UP)
777D (S/N: AGC1-UP; 3PR1-UP; 2YW1-UP; AGY1-UP)
784B (S/N: 5RK1-UP)
784C (S/N: 2PZ1-UP)
785 (S/N: 8GB1-UP)
785B (S/N: 6HK1-UP)
785C (S/N: 1HW1-UP; APX1-UP; 5AZ1-UP)
789 (S/N: 9ZC1-UP)
789B (S/N: 7EK1-UP)
789C (S/N: 2BW1-UP)
793 (S/N: 3SJ1-UP)
793B (S/N: 1HL1-UP)
793C (S/N: CBR1-UP; 4AR1-UP; ATY1-UP; 4GZ1-UP)
793D (S/N: FDB1-UP)
797 (S/N: 5YW1-UP)
797B (S/N: JSM1-UP)
Wheel Loader:
994 (S/N: 9YF1-UP)
994D (S/N: 3TZ1-UP)
994F (S/N: 4421-UP)

Description of Change: The new gasket for sealing of the air starting motor to the rear housing does not compress as much as the previously used gasket. The new gasket also has a raised bead which improves the sealing of the joint.

Adaptable To: The 9Y-6089 Gasket is a direct replacement for the 4H-7869 Gasket for the above machines back to first production.

Note: The 4H-7869 Gasket is not cancelled.

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