CYLINDER AS. 4T5882 - Caterpillar

Illustration 1 g00814530
Section view of the exhaust bypass valve
(1) Plug
(2) Locknut
(3) Adjusting screw
Remove plug (1) and the seal.
Loosen locknut (2). Turn adjusting screw (3) clockwise for approximately four turns in order to remove the function of the exhaust bypass valve. Be careful not to tighten the screw too far.
Adjust the engine according to Special Instruction, SEHS9769, "Installation and Initial Start-Up Procedure for G3500 Engines".
Turn adjusting screw (3) in order to adjust the exhaust bypass for full load operation with a throttle angle of approximately 70 degrees.
When the operation is satisfactory, tighten locknut (2) to a torque of 14 3 N m (10 2 lb ft).
Install the seal and plug (1).