HOSE ASSY., 1/4" JIC. X 20" 0021019 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 311-1362 Vacuum Cap 1 Start By:
Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".
Personal injury can result from the sudden release of high pressure oil.Be sure the engine has been shut off for a minimum of five minutes to ensure that the accumulator pressure is zero.The accumulator is filled with dry nitrogen. Do not loosen or remove the valve or the cap from the top of the accumulator.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
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, PERJ1017, "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.
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.
Release the system pressure. Refer to Operation and Maintenance Manual, "System Pressure - Release".
Illustration 1 g01397769
Install Tooling (A) onto the hydraulic tank. Attach an air supply hose onto Tooling (A). Apply 138 kPa (20 psi). This procedure will pull a vacuum on the hydraulic system.
Illustration 2 g01401382
Disconnect fitting (4). Disconnect harness assembly (5). Repeat for the other blade cushion accumulator.
Remove bolts (2) and remove clamps (1). Remove blade cushion accumulators (3).
Illustration 3 g01401394
Remove manifold (6) from blade cushion accumulator (3). Repeat for the other blade cushion accumulator. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 311-1362 Vacuum Cap 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Inspect the O-ring seals. Replace the O-ring seals that are worn or damaged.
Illustration 4 g01401394
Install manifold (6) onto blade cushion accumulator (3). Repeat for the other blade cushion accumulator.
Illustration 5 g01401382
Position blade cushion accumulators (3) and clamps (1). Install bolts (2).
Connect harness assembly (5). Connect fitting (4). Repeat for the other blade cushion accumulator.
Charge blade cushion accumulators (3). Refer to Testing and Adjusting, "Accumulator (Blade Cushion) - Test and Charge".
Illustration 6 g01368952
Remove Tooling (A). End By:
Separate the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".