TERMINAL AS 3T4689 - Caterpillar

Removal Procedure
Start By:
Remove the valve cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps to prevent fluid loss, and helps to keep contaminants from entering the system.Note: Cleanliness is an important factor. Before you begin the removal procedure, the exterior of the components should be cleaned thoroughly. This will help to prevent dirt from entering the internal mechanism.
Illustration 1 g01265475
Disconnect harness assemblies (3). Remove bolts (1) and nuts (2). Remove valve actuator (4).Installation Procedure
Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Illustration 2 g01265475
Position valve actuator (4). Install bolts (1) and nuts (2). Tighten bolts (1) and nuts (2) to a torque of 100 20 N m (74 15 lb ft). Connect harness assemblies (3).
Adjust the valve actuators. Refer to Testing and Adjusting, "Variable Valve Actuators - Inspect/Adjust" for the proper procedure.End By:
Install the valve cover. Refer to Disassembly and Assembly, "Valve Mechanism Cover - Remove and Install".