1998/02/01 Caterpillar


New Air Shut-Off Group Provides Increased Serviceability And Reliability {1078}

Usage:


3606 (8RB680-Up) 3608 (6MC556-Up, 8LL11-Up),
G3606 (3XF128-Up),
G3608 (4WF70-Up) Engines

SUPPLEMENT: MARCH 1998

Engine News, February 1998, Article 12, Page 10, "New Air Shut-Off Group Provides Increased Serviceability And Reliability".

On Page 11, the picture caption under Illustraiton 2 is not complete. The complete picture caption follows:

Illustration 2. Identification of servicable components in the 150-7931 Shut-Off Group.

--------------- END SUPPLEMENT ---------------

Description of Change: A new inlet air shut-off group is used on the above engines. The new inlet air shut-off group provides increased component serviceability and improved reliability.

Adaptable To: The new 150-7891 Shut-Off Group, 5P-4479 Elbow, and 8T-6764 Plug, when used together, are a direct replacement for the former 119-1859 Shut-Off Group. The former group is canceled. Illustration 1 and Chart A identify the components of the 150-7891 Shut-Off Group.


Illustration 1.
Identification of serviceable components in the 150-7891 Shut-Off Group.

Illustration 2 and Chart B identify the serviceable components of the 150-7931 Shut-Off Group.


Illustration 2.
Identification of serviceable components in the 150-7931 Shut-Off Group.

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