415F2 Industrial Loader Machine Systems Lift Cylinder - Remove and Install - Single Tilt Caterpillar


Lift Cylinder - Remove and Install - Single Tilt
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1.1. Removal Procedure
2.1. Installation Procedure
3.1. Disassembly and Assembly Information

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
283-1495  Stand Assembly 
8S-7631 Tube 
8S-8048 Saddle 
8S-7515 Pin 

------ WARNING! ------

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 1g03026117

  1. Raise the lift arms and place Tooling (A) under the center brace. Attach a suitable lifting device to lift cylinder (2). The weight of lift cylinder (2) is approximately 57 kg (125 lb). Remove pin (3).


    Illustration 2g03034628

  2. Releases system pressure. Disconnect hose assemblies (4) from lift cylinder (2). Use a suitable lifting device to lower lift cylinder (2) onto blocking. Attach another suitable lifting device to lift cylinder (2). Remove pin (5). Remove lift cylinder (2).

Installation Procedure

  1. Install lift cylinder (2) in the reverse order of removal.

Disassembly and Assembly Information

Table 2
Required Tools 
Tool  Part Number  Part Description  Qty 
5P-2145  Bearing Puller Adapter 
Loctite Retaining Compound 620 
125-0079  Hydraulic Cylinder Repair Stand Gp 

------ WARNING! ------

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 3g03027479

(1) Use Tooling (B) and a suitable press for the removal of the bearings.

(2) Using Tooling (D), torque the piston ... 450 ± 25 N·m (332 ± 18 lb ft)

(3) ( 5) ( 6) Lubricate the seals with the fluid that is being sealed.

(4) Apply Tooling (C) to the threads of the head. Torque for the head ... 600 ± 30 N·m (443 ± 22 lb ft)

(5) Torque for the setscrew ... 23 ± 3 N·m (204 ± 27 lb in)

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