CONNECTOR-SPECIAL 2169092 - Caterpillar

8. Remove O-ring seal (48) from the pump housing.
During removal of the spacer and barrel assembly from the pump housing, do not let the components come apart. All parts in the barrel assembly must be reinstalled in their original locations.
9. Remove spacer (46), barrel assembly (47) as a unit from the pump housing.10. Disassemble barrel assembly (47) as follows: a. Put identification marks on nine piston assemblies (49) as to their location in retraction plate (50) and barrel (51). Remove nine piston assemblies (49) and retraction plate (50), as a unit, from barrel (50). Separate the piston assemblies from the retraction plate. b. Remove retract bearing (52) from barrel (51).
There is spring force against lock ring (53). When lock ring (53) is removed, the spring force will be released. To prevent possible personal injury, removal of the internal components in barrel (51) should be performed in a press in order to retain spring (55) and lock ring (53).
c. Put barrel (51) in a press. Install a suitable size drive plate from Tooling (C) against spring (55). Put a slight amount of compression on the spring with the press. Use Tooling (A) to remove lock ring (53). Slowly release the spring compression. Remove spring (55) and barrel spacer (54) from barrel (51).d. Remove three retraction pins (56) from barrel (51). 11. Remove swash plate (57) from pump housing (58). 12. Remove two plugs (59) from