PIN 4645094 - Caterpillar

Illustration 18 g02573598
Wrap pistons (32) with string but do not tie the string. Hold the string tight and carefully install rotating group (31) in housing (24) . The splines on shaft (46) must engage with splines in retaining ball (35) .
Illustration 19 g02573596
Install shim (30) .
Illustration 20 g02573595
Install bearing (29) and O-ring seal (28) .
Illustration 21 g02578476
Install port plate (27) and O-ring seal (26) to head (22) .
Illustration 22 g02573591
Install head (22) and bolts (23) to housing (24) .
Illustration 23 g02573589
Install washer (21) to plug (18) .
Illustration 24 g02573588
Install backup ring (19) and O-ring seal (20) to valve (17) .
Illustration 25 g02573586
Install plug (18) and valve (17) to compensator valve (2) .
Illustration 26 g02573585
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install O-ring seal (13) , spring (14) , spring (15) , and retainer (16) to housing (12) .
Illustration 27 g02573584
Install housing (12) to compensator valve (2) .
Illustration 28 g02573583
Install O-ring seal (9) , O-ring seal (10) , and backup ring (11) to cartridge (8) .
Illustration 29 g02573582
Install cartridge (8) to compensator valve (2) .
Illustration 30 g02573580
Install solenoid (6) , O-ring seal (7) , and nut (4) to compensator valve (2) .
Install gasket (5) to compensator valve (2) .
Illustration 31 g02573578
Install compensator valve (2) and bolts (3) to piston pump (1) . Tighten bolts (3) to a torque of 12 N m (106 lb in).End By: Install the piston pump (fan drive).