VALVE GP-CHECK 9T8537 - 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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(1) Tighten the nut to a torque of 130 N m (96 lb ft). (2) Tighten the piston to a torque of 800 N m (590 lb ft). (3) Tighten the collar to a torque of 1200 N m (885 lb ft). (4) Tighten the plug to a torque of 330 N m (243 lb ft). (5) Tighten the valve to a torque of 240 N m (177 lb ft).Note: Nut (1) has left handed threads.Installation Procedure
Table 3
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1U-9200     Lever Puller Hoist     1    
B     140-7742     Sleeve     2    
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
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Attach a suitable lifting device to stabilizer cylinder (8) approximately 31 cm (12.0 inch) from head (11) . The weight of stabilizer cylinder (8) is approximately 204 kg (450 lb).
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Slide stabilizer cylinder (8) into the frame assembly until the suitable lifting device contacts the frame assembly. Position stabilizer cylinder (8) on suitable blocking in order to protect the rod end of stabilizer cylinder (8) . Attach Tooling (A) , Tooling (B) , and a suitable lifting device through the opening in the frame assembly to stabilizer cylinder (8) .
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Reposition the suitable lifting device on stabilizer cylinder (8) onto the rod of stabilizer cylinder (8) . Use Tooling (A) , Tooling (B) , and the suitable lifting devices in order to slide stabilizer cylinder (8) for the remaining distance into the frame assembly.
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Bolt (10) and pin (9) are located in the underside of the frame assembly.
Install pin (9) and bolt (10) .
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Hose assemblies (6) and tube assemblies (7) are located in the underside of the frame assembly.
Install tube assemblies (7) . Connect hose assemblies (6) .
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Install plate (5) on the frame assembly.
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Position plate assembly (2) . Install pin assembly (4) and bolt (3) in stabilizer (1) .