SPECIAL AR 2106378 - Caterpillar

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.
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The callouts in this graphic reference each of the following steps. (1) Apply Tooling (B) to the seal groove prior to assembling the wiper seal. (2) Lubricate sealing lips with a thin covering of the lubricant that is being sealed. (3) Torque for head ... 600 130 N m (440 95 lb ft) (4) Use a 46 mm socket to remove the bolt.Note: Apply Tooling (D) to the threads.The bottom face includes both ends of the articulation cylinders. Install the bearings to Depth (X) from the bottom face. Dimension (X) ... 7.14 0.25 mm (0.281 0.010 inch)Note: Do not use an impact type driver to install the bearings.Installation Procedure
Table 3
Required Tools    
Tool    Part Number    Part Description    Qty    
A     FT-1114     Vacuum Cap     1    
5P-0306 Vacuum Transducer     1    
6V-4142 Fitting     1    
5K-5068 Fitting     1    Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.
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Use two people to position steering cylinder (7) and install pin assembly (6) and bolt (5). The weight of steering cylinder (7) is approximately 43 kg (95 lb).
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Install pin assembly (4) and bolt (3) .
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Connect hose assemblies (2) .
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Install guard assemblies (1) .
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Remove Tooling (A) from the hydraulic tank.End By: Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".