PUMP & MOTOR GP-FDR LUBE 2845874 - Caterpillar

Remove dust caps (43), nipple assemblies (44), and the O-ring seals from block (45). Remove eight bolts (46) and the washers that hold block (45) to control valve (42). Remove block (45) from control valve (42).
Illustration 20 g00763955
Remove two O-ring seals (47) from control valve (42).
Illustration 21 g00763962
Remove three plug assemblies (48) and the O-ring seals from control valve (42). If necessary, remove the sleeve bearings from plug assemblies (48).
Illustration 22 g00763964
Remove spring (49) and valve (50) from control valve (42). Repeat the procedure for the remaining two springs and valves.
Illustration 23 g00763973
Remove O-ring plugs (51) and (52) from control valve (42).
Illustration 24 g00763978
Remove face seal elbow (53) and the O-ring seal from control valve (42).
Illustration 25 g00763980
Remove two O-ring plugs (54) and the O-ring seals from control valve (42).
Illustration 26 g00763981
Remove two bolts (55) from housing (56).
Illustration 27 g00763985
Remove housing (56), spring retainer (57), outer spring (58), inner spring (59), and spring retainer (60) from control valve (42).
Illustration 28 g00763992
Remove O-ring seal (61) and seal (62) from housing (56).
Illustration 29 g00763995
Remove purge screws (63), nut (64), and the O-ring seal from housing (56).
Illustration 30 g00764005Note: If adjusting screw (65) is moved, the control valve will need to be recalibrated.
Remove adjusting screw (65) and the seal from nut (64). Note: Repeat steps 26 through 30 for the other side of the control valve.
Illustration 31 g00764008
Remove stem (66) from control valve (42).
Illustration 32 g00764009
Remove shuttle valve (67) from control valve (42).
Illustration 33 g00764014
Remove O-ring seal (68), backup rings (69), O-ring seal (70), backup rings (71), and seal (72) from shuttle valve (67).
Illustration 34 g00764016
Remove plug (73) and the O-ring seal from control valve (42).