HOSE AS 1089601 - Caterpillar

Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Use suitable pliers and hold center pin (12) , as shown. Apply pressure to the right side. The pressure should be applied away from the bushing, the spring, and the retainer. Compress the retainer and the spring with the seal pick. This will allow bushing (13) , the spring, and retainer (10) to be removed.
Illustration 11 g01141511
Remove center pin (12) to the right side. Remove bushings (13) . Remove springs and retainers (10) . Remove springs (11) .
Illustration 12 g00305894
Illustration 13 g00305897
Illustration 14 g00305898
Note: Mark piston assembly (16) in relation to barrel (15) .
Use Tooling (B) to remove rotating group (14) . Remove Tooling (B) from rotating group (14) .
Pull barrel (15) from the drive shaft and piston assembly (16) .
Remove belleville washers (17) and spacer (18) from the center pin bore of barrel (15) .
Illustration 15 g00305899
Use a suitable section of a pipe or suitable blocking, and put the drive shaft and piston assembly in position, as shown.
Position pistons (19) in a perpendicular direction to retaining plate (20) . Remove pistons (19) by pulling pistons (19) in a straight line. Remove pistons (19) . The center piston cannot be removed at this time.
Illustration 16 g01141441
Piston rings can break during removal from the piston.Make sure to wear protective glasses to prevent eye injury from flying parts.
Check pistons (19) at Area (X) for scratches and pitting. Replace pistons (19) , if necessary.
Use a suitable screwdriver, and remove piston rings (21) from pistons (19) .
Illustration 17 g00305901
Remove screws (22) that hold the retainer plate to the drive shaft assembly. Screws (22) were installed with thread lock compound. The removal of screws (22) may be difficult. Provide impact to screws (22) first. This is done in order to break the seal. Remove screws (22) by using additional leverage on a suitable screwdriver, as shown.
Remove center pin (23) , the retainer plate, and washer (24) that holds the center pin in place.
Illustration 18 g01141447
Check center pin (23) for scratches or pitting at Areas (Y) . Replace center pin (23) , if necessary.
Illustration 19 g00305963
Use Tooling (C) and remove spanner nut (25) from shaft (26) .
Illustration 20 g00305964
Illustration 21 g00381352
Use a suitable press to remove bearing cup (27) , bearing ring (28) , bearing cone (31) , and bearing cup (30) from shaft (26) .
Remove bearing cone (29) .