HEAD 2663497 - Caterpillar

Illustration 18 g00344119
Note: Do not scratch the polished surface of the port plate.
Remove bearing (46) and port plate (47) from shaft (33) .
Illustration 19 g00344120
Remove O-ring seal (48) from the head.
Illustration 20 g00344121
Note: Do not scratch the polished surface of the barrel assembly.
Remove four bolts (49) and two retainers (50) from both sides of swashplate (51). Remove barrel assembly (52) from pump housing (37) as a unit.
Illustration 21 g00344123
For assembly purposes, record the distance from the end of setscrew (53) to locknut (54). Repeat this step for the setscrew on the opposite side of the pump housing.
Remove two setscrews (53) and two locknuts (54) from pump housing (37) .
Illustration 22 g00344122
Note: Do not scratch the polished surface of the swashplate.
Remove swashplate (51) from pump housing (37) .
Illustration 23 g00344124
Remove bearing assembly (55) and two rods (56) from pump housing (37) .
Illustration 24 g00989387
Remove four screws (57) from pump housing (37) .
Illustration 25 g00989379
Use two forcing screws (A) to remove seal carrier (58) from pump housing (37) and shaft (33) .
Illustration 26 g00989381
Remove O-ring seals (60) from the seal carrier. Remove shaft seals (59) .
Illustration 27 g00344215
Remove cradle (62) and shaft (33) from the pump housing.
Remove snap ring (61) from shaft (33) .
Illustration 28 g00344216
Remove O-ring seal (63) from cradle (62) .
Illustration 29 g00344221
Remove bearing (64) from shaft (33) .Note: The following steps are for the disassembly of the barrel assembly.
Illustration 30 g00344223
Note: Do not scratch the polished surface of the barrel assembly.
Remove nine piston assemblies (65) from barrel (67). Remove plate (66) .
Illustration 31 g00344224
Illustration 32 g00344225
Note: Note the alignment of the spring set and of the shim for assembly purposes.
Remove bushing (68), spring set (69) and shim (70) from barrel (67) .