CUTTING EDGE 5J6891 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 350-7768 Electric Hydraulic Pump Gp (115V) 1
350-7769 Electric Hydraulic Pump Gp (230V) 1
141-1785 Receiving Sleeve As 1
9U-6811 Puller Stud 1
9U-6809 Nut 1
101-0007 Hard Washer 1
6V-0113 Double Acting Cylinder 1
B 5P-0960 Grease Cartridge - Start By:
Remove the nose boom.
When you are using hydraulic cylinders and puller studs, always ensure that the rated capacity of the puller stud meets or exceeds the rated capacity of the hydraulic cylinder. If the puller stud does not meet or exceed the rated capacity of the hydraulic cylinder, a sudden failure of the puller stud could occur. The sudden failure of the puller stud could result in personal injury or death.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
Release the hydraulic pressure.
Illustration 1 g06103088
Remove hose assemblies (1) and (4).
Remove block (2). Rotate pin assembly and repeat for the opposite side.
Remove plate (3). Repeat for the opposite side
Illustration 2 g06103092
Attach a suitable lifting device to Tooling (A). The combined weight of Tooling (A) and pin assembly (5) is approximately (). Position Tooling (A) and attach to pin assembly (5). Use Tooling (A) to remove pin assembly (5).
Mark the top of pin assembly (5) with letter A for assembly purposes.Disassembly Procedure
Illustration 3 g06103133
Remove bolts (13). Remove pin (10).
Remove screw (3).
Remove piston (6).
Remove seal (9).
Remove rings (1) and (2).
Remove seals (7) and (8).
Remove cylinder head (5).
Remove seal (11).
Remove plug (12).Assembly Procedure
Illustration 4 g06103133
Install plug (12).
Inspect and install seal (11).
Install cylinder head (5).
Apply sealant to groove of seal (8) prior to assembly.
Lubricate sealing lip of seals (7) and (8) lightly with the fluid being sealed. Install seals (8) and (7).
Lubricate inside diameter and outside diameter of rings (1) and (2) with grease in order not to leave air. Install rings (2) and (1).
Lubricate threads of piston (6) with hydraulic oil. Install and tighten piston (6) to a torque of 800 100 N m (590 74 lb ft).
Inspect and install seal (9).
Install and tighten screw (3) to a torque of 15 3 N m (11 2 lb ft).
Install pin (10). Install bolts (13).Installation Procedure
Install pin assembly (5) in the reverse order of removal.
Apply Tooling (B) to pin assembly (5) prior to installation.
Ensure the letter A is placed facing down while installing pin assembly (5).
After installing block (2), rotate pin assembly (5) so that the letter A is visible from the top.