VALVE GP-PRESSURE REDUCING 3678969 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-7610 Base 1
8S-7650 Cylinder 1
3S-6224 Electric Hydraulic Pump 1
8S-7615 Pin 1 Start By:
Install the steering frame lock.
Personal injury or death can result from machine articulation or movement.Machine frames can move and a person can be crushed.Connect the steering frame lock link between the front and rear frames before working on machine.Do not disconnect the lock link until the machine is made operational and the commissioning procedure is completed.
Personal injury can result from driveline torque windup under load.Unequal wheel speed can result in driveline torque windup which can cause driveline components to be under load during disassembly.Relieve the driveline torque windup before disassembly.
Turn the battery disconnect switch to the OFF position.
Illustration 1 g00836890
Use Tooling (A) in order to raise the front axle until one of the wheels clears the ground. This will release driveline torque windup in the drive train. Lower the wheels back to the ground and remove Tooling (A).
Illustration 2 g01187260
Remove bolts (3) in order to disconnect drive shaft (1) from the yoke on output transfer gear (2).
Illustration 3 g00836936
Remove bolts (5) in order to disconnect drive shaft (1) from the yoke on through hitch drive shaft (4).
Use two people in order to remove drive shaft (1) from the machine. The weight of the drive shaft is approximately 40 kg (81 lb). Installation Procedure
Install drive shaft (1) in the reverse order of the removal.
Tighten bolts (5) to a torque of 135 20 N m (100 15 lb ft).
Tighten bolts (3) to a torque of 135 20 N m (100 15 lb ft).