HARNESS AS-SENSOR 2457670 - Caterpillar

Before the fuel injection pump is removed from the engine the fuel injection pump shaft must be locked. Position the engine to TC compression stroke of number one cylinder before tightening the locking screw. The locking screw will prevent the shaft from rotating. If the fuel injection pump was removed prior to correctly timing the engine and locking the shaft, the fuel injection pump will need to be timed by trained personnel.
Illustration 1 g01352237
Typical example
Note: The solenoid on the fuel injection pump is a serviceable item. The fuel injection pump is a nonserviceable item. (1) O-ring (2) Locking screw (3) WasherLocking the shaftLoosen locking screw (2) and move the washer (3) to the locked position. Tighten the bolt to the following torque. ... 15 N m (133 lb in)Unlocking the shaftLoosen locking screw (2) and install the washer (3) to the unlocked position. Tighten the bolt to the following torque. ... 12 N m (106 lb in)
Illustration 2 g01352239
Typical example of a support bracket
(4) Tighten the mounting bolt to the following torque. ... 44 N m (32 lb ft) (5) Tighten the mounting bolt and the nut to the following torque. ... 22 N m (195 lb in)Note: The support bracket must be installed after the coolant pump is installed. To stop the distortion of the timing case, finger tighten the bolt (4) and then tighten the nut and bolt (5). Tighten the bolt (4).Tighten the bolts that hold the fuel pump to the front housing to the following torque. ... 22 N m (195 lb in)