TRACK GP 4587804 - Caterpillar

Install port plate (29) into the motor housing. Install springs (28) into the motor housing.
Illustration 20 g00704771
Install spring pins (26) and bearing (27) into the head.
Illustration 21 g00704754
Install O-ring seal (25) onto the head.
Illustration 22 g00704749
Install O-ring seal (23) and O-ring seal (24) onto the fittings (19) and (20).
Illustration 23 g00704743
Install O-ring seal (22) onto the plug (21).
Illustration 24 g00704741
Install tee fitting (19), fitting (20), and plugs (21) into the head. Tighten plugs (21) to a torque of 59 6 N m (44 4 lb ft).
Illustration 25 g00704734
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Install spool valve (15), spring (16), O-ring seal (17), and plug (18) into the head. Tighten plug (18) to a torque of 334 33 N m (246 24 lb ft). Repeat for the opposite side.
Illustration 26 g00705818
Install port plate (29) onto the head.
Illustration 27 g00705827
Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Install springs (28) onto the piston. Install head (1) onto the motor housing.
Illustration 28 g00704719
Install bolts (14) into the head. Tighten bolts (14) to a torque of 430 43 N m (317 32 lb ft).
Illustration 29 g00704710
Install O-ring seals (10), (12), and (13). Install back up rings (9) and (11).
Illustration 30 g00704704
Install relief valves (8) into the head.
Illustration 31 g00704621
Install dipstick tube (5) and breather tube (6) into motor housing (7).
Illustration 32 g00704611
Install mounting bolts (4). Install anti-reaction valve (3) into head (1). Install bolts (2). End By:
Install the swing motor. Refer to Disassembly and Assembly, "Swing Motor - Install".