HOSE AS 2390023 - Caterpillar

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.
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.
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Remove plate (1) .
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Disconnect hose assemblies (2) .
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Attach a suitable lifting device to tilt cylinder (5). The weight of the tilt cylinder (5) is approximately 68 kg (150 lb). Remove pins (3) and (4). Remove cylinder (5) .Disassembly and Assembly Information
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     127-4904     Hydraulic Cylinder Repair Stand Gp     1    
B     1P-0808     Multipurpose Grease     1    
C     1P-0510     Driver Gp     1    
D     195-4609     Seal Pick     1    
E     7M-7456     Bearing Mount Compound     1    
F     136-1452     Retaining Ring Pliers As     1    
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 ) Torque for nut ... 3400 340 N m (2507 250 lb ft) (2) Lubricate seal lips with a thin covering of lubricant that is being sealed. (3) Apply Tooling (E) to the seal groove prior to assembling the wiper seal.Note: Apply Tooling (B) to the threads. (4) Torque for head ... 600 130 N m (442 95 lb ft) (5) Use Tooling (F) to remove retaining rings.Installation Procedure
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Attach a suitable lifting device to tilt cylinder (5). The weight of the tilt cylinder (5) is approximately 68 kg (150 lb). Position cylinder (5). Install pins (3) and (4) .
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Connect hose assemblies (2) .
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Install plate (1) .