KIT (major repair-compressor) 7N4838 - Caterpillar

Turn the fuel supply to the OFF position.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g02157019
Slide locking tab (3) into the unlocked position on connection for harness assembly (1) .
Disconnect harness assembly (1) from fuel pressure sensors (2) .
Slide locking tab on connection for harness assembly (4) into the unlocked position.
Disconnect harness assembly (4) for solenoid (5) .
Disconnect hose assembly (8) from the fuel control manifold. Use Tooling (A) in order to plug the hose assembly with a new plug. Use Tooling (A) in order to cap the connection with a new plug.
Remove O-ring seal (9) (not shown) from the connection on the fuel control manifold. Cap the open connection on the fuel control manifold with a new cap.
Disconnect hose assembly (7) from the fuel control manifold. Plug the hose assembly with new plugs.
Remove O-ring seal (6) (not shown) from the connection on the fuel control manifold. Cap the open connection on the fuel control manifold with a new cap.
Cut cable strap (10) and cable strap (11) for the harness assemblies.
Illustration 2 g02157394
Remove bolts (12) from fuel control manifold (14) .Note: Support the fuel control manifold on removal of the bolts.
Remove bracket (13) and bracket (15) .Note: Note position and orientation of bracket for installation purposes.
Remove fuel control manifold (14) from the bracket for the clean emission module.
Illustration 3 g02157021
If necessary, follow Step 15.a through Step 15.g in order to disassemble fuel control manifold (14) .
Use a deep socket in order to remove fuel pressure sensor (2) from fuel control manifold (14). Remove O-ring seal (20). Cap the fuel pressure sensor with a new cap. Plug the open port on the fuel control manifold with a new plug.
Remove nut (16) from the valve assembly and remove solenoid (5). Use a deep socket in order to remove valve assembly (17) from fuel control manifold (14). Plug the open port on the fuel control manifold with a new plug.
Remove O-ring seal (18) and O-ring seal (19). Cap the valve assembly with a new cap.
Remove connection (21) from fuel control manifold (14). Plug all open ports on the fuel control manifold with new plugs.
Remove O-ring seal (22) and cap connection (21) with new caps.
Remove connection (24) from fuel control manifold (14). Cap connection (24) with a new cap.
Remove O-ring seal (23) from fuel control manifold (14). Plug the open port on the fuel control manifold with a new plug.Installation Procedure
Ensure that all components are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
Illustration 4 g02157021
If necessary, follow Step 2.a through Step 2.f in order to assemble fuel control manifold (14) .
Remove the cap from connection (21). Install a new O-ring seal (22) to connection (21). Remove the plug from the fuel control manifold. Install connection (21) to fuel control manifold (14). Tighten the connection to a torque of 43 N m (32 lb ft).
Remove plugs from fuel control manifold (14). Install new O-ring seal (23) to fuel control manifold (14) .
Remove the cap from connection