2001/06/18 Caterpillar

Engine: Machine with Electronic Unit Injection

3500 Series

Engine: Machine

3500B Series

Service Magazine SEBD0575, 23 April 2001, "Be Sure To Tighten The Locknut For The Adjusting Screw For The Fuel Injector Rocker Arm To The Correct Torque". Disregard this article. See the following article for the correct information.

Some Service Manual Modules for the engines in these machines may include an incorrect torque for the locknut for the adjusting screw for the fuel injector rocker arm.

Illustration 1	g00792095
This illustration identifies the components that are used to adjust the lash of the fuel injector rocker arm. (1) Adjusting screw (2) Locknut (3) Fuel injector rocker arm

3500 Series Engines With EUI

Tighten the locknut (2) for the adjusting screw (1) for the fuel injector rocker arm (3) to a torque of 70 ± 15 N·m (50 ± 11 lb ft). Please make a note about this information in the applicable Service Manual Modules.

3500B Series Engines

Tighten the locknut (2) for the adjusting screw (1) for the fuel injector rocker arm (3) to a torque of 120 ± 15 N·m (90 ± 11 lb ft). Please make a note about this information in the applicable Service Manual Modules.