LINK AS 1762265 - Caterpillar

Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
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 attachments have been lowered, 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.
Illustration 1 g00700727
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Remove four bolts (3) and the four washers. Remove four bolts (4) and the four washers.
Remove elbow (1), tube assembly (2) and the hose assemblies out of the way. Remove the rectangular seals.
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Remove straight fitting (6) from pin assembly (7) .
Remove bolt (5) and the washer.
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Use straps and a suitable lifting device in order to support lift cylinder (8) .
Install Tooling (A) and (B) in order to remove pin assembly (7). Remove the pin assembly.
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Remove bolt (9) and the washer. Remove straight fitting (11) from pin assembly (10) .
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Remove bolts (13) and the nuts from track (12) and (14) .
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Install Tooling (A) and (B) in order to remove pin assembly (10). Remove the pin assembly.
Remove lift cylinder (8) from the machine. The weight of the lift cylinder is approximately 213 kg (470 lb).
Remove the bearings from the lift cylinder and the rod assembly by using the following procedure:
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Remove lip seals (15) from the lift cylinder and rod assembly.Note: Use straps and a suitable lifting device in order to support the lift cylinder during the bearing removal.
Use Tooling (C) and a press in order to remove bearings (16) from the lift cylinder and rod assembly.
Illustration 10 g00700906
The lip seal and bearing can be replaced at this time. Refer to Disassembly and Assembly, "Lift Arm Bearings - Remove and Install" for the correct procedure.
Repeat Steps 1 through 12 for the lift cylinder on the other side of the machine.