SWITCH AS 1421307 - 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.
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 Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
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(1) (2) Use Tooling (F) to remove the bearings. Use Tooling (G) to install bearings to a depth of 9.5 0.3 mm (0.37 0.01 inch). (3) Lubricate the threads with Tooling (D). Tighten the locknut to a torque of 5900 300 N m (4352 221 lb ft). (4) Lubricate the inner diameter and outer diameter with Tooling (D). (5) Lubricate the seals slightly with the lubricant that is being sealed. (6) Apply Tooling (C) to the wiper seal groove prior to assembly.Installation Procedure
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Attach a suitable lifting device to stick cylinder (10). The weight of stick cylinder (10) is approximately 215 kg (475 lb). Use the suitable lifting device to position stick cylinder (10) .
Position pins (13) on both ends of stick cylinder (10). Install spacer (11) and shims (12) to both sides of stick cylinder (10). Adjust shims (12) in order to provide no more than 0.8 mm (0.03 inch) of lateral clearance between plates (9) and stick cylinder (10) .
Install bolts (8) and plates (9) to both ends of stick cylinder (10). Tighten bolts (8) to a torque of 100 20 N m (74 15 lb ft).
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Connect grease hose assembly (7). Connect hose assembly (6) .
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Position lock valve (3) and install bolts (4) .
Connect grease hose assembly (5) .
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Adjust screw (2) to the original location on lock valve (3). Tighten the nut. Install protective cap (1) .