HARNESS AS-TRANSMISSION 4465856 - Caterpillar

Installation Procedure
Note: Install caps and plugs on all openings in order to prevent dirt or debris from entering the system. Cleanliness is an important factor. Before the removal procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal components.
Make sure that all components of the piston pump are clean prior to installation of the pump. During the installation of the piston pump, check the condition of all O-ring seals that are used in the assembly. Replace damaged parts with new parts.
Illustration 1 g00636116
Position a suitable lifting device to piston pump (13). Secure the lifting device to a hoist. From the left side of the machine, position piston pump (13) to the machine frame. The weight of the piston pump is 50 kg (110 lb).
Position mounting bracket (17) to the machine frame and to piston pump (13).
Install rubber mounts (20). Install bolts (16) and install the washers that hold mounting bracket (17) to the machine frame.
Install bolts (15) and the washers that hold bracket (15) to piston pump (13). Tighten bolts (15) to a torque of 160 30 N m (118 22 lb ft).
Install yoke (16). Install nut (17) and install the washer to piston pump (13).
Connect hose assembly (14) to piston pump (13).
Illustration 2 g00636115
Position elbow (12) and the seal to piston pump (13). Install bolts (11) that hold elbow (12) to piston (13).
Illustration 3 g00636113
Position combination valve (8) to piston pump (13). Install bolts (5) and the washers that hold combination valve (8) to piston pump (13) .
Position compensator valve (10) to piston pump (13). Install hex head bolts (9) that hold compensator valve (10) to piston pump (13).
Install assembly (6) to combination valve (8) and compensator valve (10) .
Illustration 4 g00636111
Position pump drive shaft (5) to piston pump (13). Install bolts (3) and install the washers that hold pump drive shaft (5) to piston pump (13) .
Illustration 5 g00636110
Position two split shields (2) over drive shaft (5). Install the bolt and the washer (1). Install the bolt and the washer (3). The bolts and the washers hold the guards to the machine frame. Tighten bolts (3) to a torque of 135 20 N m (100 15 lb ft).
Fill the hydraulic oil system with the proper amount of hydraulic oil. Refer to the Operation and Maintenance Manual, "Check the Oil Level" for the correct procedure.