D400E Series II Articulated Truck Caterpillar


Hoist Control Valve - Remove

Usage:

D400E II 8PS

Removal Procedure

------ WARNING! ------

At operating temperature, the hydraulic tank is hot and under pressure.

Hot oil and components can cause personal injury. Do not allow hot oil or components to contact skin.

Remove the filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand. Remove the filler cap slowly in order to relieve pressure.



NOTICE

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.


  1. Park the machine on a hard, level surface. Engage the parking brake and chock the wheels. Turn the disconnect switch to the OFF position.

  2. Put identification marks on all lines, hoses, wires and tubes for installation purposes. Plug all lines, hoses and tubes. This helps prevent fluid loss and contamination of the fluid system.


    Illustration 1g00585888

  3. Remove four clamps (1). Remove tube (2) from the machine.

  4. Remove four bolts (3), the washers and the nuts.


    Illustration 2g00585896

  5. Attach appropriate nylon lifting slings and a hoist to the transmission cover assembly (4).

  6. Remove the two nuts that secure strut (5) to the machine. Remove the strut.

  7. Remove the transmission cover assembly from the machine. The assembly weighs 40 kg (88 lb).


    Illustration 3g00565290

  8. Remove four bolts (6), the washers, two half clamps (7), and hose assembly (8) from hoist control valve (9). Remove the O-ring.


    Illustration 4g00565323

  9. Remove eight bolts (10), the washers, four half clamps (11), and two hose assemblies (12) from hoist control valve (9). Remove the two O-rings.


    Illustration 5g00565324

  10. Remove eight bolts (13), the washers, four half clamps (14), and two hose assemblies (15) from hoist control valve (9). Remove the two O-rings.


    Illustration 6g00565325

  11. Disconnect four hydraulic hoses (16). Remove the four O-rings.


    Illustration 7g00565326

  12. Disconnect wire connectors (17) at each end of the hoist control valve.

  13. Attach appropriate lifting slings and a hoist to hoist control valve (9). Remove three bolts (18), the washers, and the nuts that secure hoist control valve (9) to the side panel. Remove the hoist control valve. The weight of the hoist control valve is 41 kg (90 lb).

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