PIN AS 2534912 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 278-4138 Fuel System Protection Gp(1) 1
(1) This tool can only be used one time.
Do not open the high pressure fuel system without allowing the fuel system to purge. After the engine has shut down, allow the fuel system to purge for ten minutes. This operating fuel system contains high pressure. Exposure to high pressure fuel can result in personal injury.
Note: Use Caterpillar Electronic Technician (ET) to verify that the fuel system pressure is at zero before opening the fuel system.Note: Use Tooling (A) after any fuel line has been disconnected.
Illustration 1 g03335456
Thoroughly clean the area around fuel manifold (6).
Remove fuel injection lines (1).
Disconnect harness assembly (2) and tube assembly (3).
Remove tube assembly (4).
Remove bolts (5) to remove fuel manifold (6). Installation Procedure
Illustration 2 g03335456
Position fuel manifold (6) and install bolts (5). Tighten bolts (5) to a torque of 25.5 1.5 N m (226 13 lb in).
Connect tube assembly (4). Tighten tube assemblies (4) to a torque of 35 5 N m (26 3 lb ft).
Connect harness assembly (2) and tube assembly (3). Torque tube assembly (3) retaining screw to a torque of 10 2 N m (89 18 lb in).
Install fuel injection lines (1). Tighten fuel injection lines (1) to a torque of 35 5 N m (26 3 lb ft).