YOKE AS 4E3751 - Caterpillar

Assembly Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00570915
Place the lifter body (1) in a hydraulic press.
Apply engine oil to the internal bore of the lifter body (1) and the adapter bores (2). Press the adapter (2) into the body (1). The top of the adapter should be flush with the top of the body (1) after assembly.
Illustration 2 g00570916Note: Place shims between the lifter and the roller when the pin is installed. This is necessary in order to prevent the forks on the body from bending.
Place the roller (5) between the forks of the lifter (4). Place both parts in a press with the lockwire groove on the top side.
Install the wire in the pin (3) with equal excess on each side.
Lubricate the pin (3) with clean engine oil.
Align the wire with the groove on the fork of the lifter (4).
Press the pin (3) into the lifter (4) and the roller (5).
Install the pushrod insert in the lifter body (4).
Illustration 3 g00570917
Install a new guide spring (9) and guide spring (11) on the lifters. Note: If the guide springs were removed from the valve lifters, the guide springs must not be used again.
Immerse the lifters (7), (8), and (10) in clean engine oil.
Illustration 4 g03682955
Proper valve lifter orientation.
Install the valve lifters (7) and (10) in the original positions. Install the valve lifters so the part number faces out. Proper valve lifter orientation ensures that the guide spring will be in the proper position. Note: Use large pliers in order to compress the guide springs (11) so that the valve lifter assemblies can be installed in the body of the valve guide (6).
Illustration 5 g03683816
Install the gas admission valve lifter (8). End By:
Install the valve lifter assembly.
Install the push rods.
Check the valve lash.