COUPLING AS 4322135 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Bracket     3    Start By:
Remove the gerotor motor. Refer to Disassembly and Assembly, "Gerotor Motor (Circle Drive) - Remove" for the correct procedure.
Illustration 1 g00821403
Bend lock (1) away from nut (2) .
Remove nut (2), lock (1), spacer (3), and the O-ring seal from shaft (6) .
Remove four nuts (5) and remove the washers from the long studs of the circle drive housing.
Illustration 2 g00635561
Install Tooling (A). Position a hoist to Tooling (A).
Remove two bolts (8) and the spacers that hold the circle drive housing to the circle drawbar.
Lift the circle drive approximately 13.0 mm (.50 inch) in order to disengage pinion gear (4) from the circle. Remove pinion gear (4) and washer (7) from shaft (6) .
Remove the circle drive from the circle. The weight of the circle drive is 45 kg (100 lb).
Remove the Duo-Cone seal from the pinion.