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PLUG 4Z8677 - Caterpillar



4Z8677 PLUG Caterpillar parts PLUG
Rating:
51
Alternative (cross code) number:
CA4Z8677
4Z-8677
4Z8677
Caterpillar 4Z8677 PLUG
Weight: 0.07 pounds 0 kg.

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Note: Tooling (D) is used for the removal of the bearings that are located at the head end and the rod end of the cylinder.
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.
Cylinders equipped with lock valves can remain pressurized for very long periods of time, even with the hoses removed.Failure to relieve pressure before removing a lock valve or disassembling a cylinder can result in personal injury or death.Ensure all pressure is relieved before removing a lock valve or disassembling a cylinder.
Illustration 3 g01174095Note: Apply a light film of hydraulic oil to all components before assembly.
Apply Tooling (B) to seal (1) prior to assembly.
Apply clean hydraulic oil on the lip of seal (1), seal (2), and seal (3).
Apply Tooling (C) to the threads of head (5).
Lubricate the threads of rod assembly (7) with Tooling (C).
Tighten locknut (8) to a torque of 8890 440 N m (6557 325 lb ft).
Install ball (10) and setscrew (9) in locknut (8). Tighten setscrew (9) to a torque of 57 10 N m (42 7 lb ft).
Illustration 4 g03583839
Stake the setscrew in place (9A) after torquing procedure.
Lubricate the outside of piston (6) with Tooling (C).
Tighten bolts (4) to a torque of 367 55 N m (271 41 lb ft).Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
E 5P-0960 Grease Cartridge 1
Illustration 5 g01215300
Illustration 6 g01215303
Attach a suitable lifting device to both ends of stick cylinder (1). The weight of stick cylinder (1) is approximately 325 kg (715 lb). Position stick cylinder (1) onto the machine.
Apply Tooling (E) to pin assembly (2). Install pin assembly (2) and bolt (3). Apply Tooling (E) to pin assembly (6). Install pin assembly (6) and bolt (5).
Connect hose assemblies (4).
Fill the hydraulic oil tank. Refer to Operation and Maintenance Manual, "Hydraulic Oil Level - Check".


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