GUARD 1343053 - Caterpillar

Illustration 1 g01416621
(1) Fuel injector group (3) Arm assembly (4) Lifter assembly (A) Diameter of the new shaft ... 34.000 0.010 mm (1.3386 0.0004 inch) (B) Diameter of new lifter shaft assembly ... 20.000 0.010 mm (0.7874 0.0004 inch)Bore diameter in the body for the lifter shaft assembly ... 20.050 0.015 mm (0.7894 0.0006 inch)Note: Refer to Testing and Adjusting, "Electronic Unit Injector- Adjust" for the correct procedure for adjusting the lash on the electronic unit injector.Use the following adjusting instructions for the electronic unit injector:
Loosen the hex thin nut (2) .
Turn the rocker arm adjustment screw clockwise. Stop turning the rocker arm adjustment screw when contact is made with the electronic unit injector.
Turn the rocker arm adjustment screw in the clockwise direction for additional 180 degrees (1/2 of a turn).
Hold the rocker arm adjustment screw in this position.
Torque the hex thin nut (2) to 55 10 N m (41 7 lb ft).