HOSE AS 1598344 - Caterpillar

Removal Procedure
Start By:
Release the hydraulic system pressure.
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.
At operating temperature, the hydraulic oil is hot and under pressure. Hot oils can cause burns.To prevent possible personal injury, release the pressure in the work tool hydraulic circuit (boom, stick, bucket, and swing), travel circuits, and the hydraulic oil tank at the filler cap before any hydraulic lines or components are disconnected or removed.Remove the filler cap only when the engine is stopped and the filler cap is cool enough to touch.
Illustration 1 g03850699
Remove knob (1) and armrest (2).
Illustration 2 g03850844
Remove screw (3).
Illustration 3 g03850862
Disconnect harness assemblies (5) and (6). Remove cover assembly (4).
Illustration 4 g03850874
Remove bolts (7).
Illustration 5 g03850882Note: Note the orientation of hose assemblies (9) for assembly purposes.
Disconnect hose assemblies (9). Remove pilot valve (joystick) (8). Installation Procedure
Install pilot valve (joystick) (8) in the reverse order of removal.