854G Wheel Tractor and 992G Wheel Loader Power Train Transmission Hydraulic Control Valve - Remove Caterpillar


Transmission Hydraulic Control Valve - Remove
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1.1. Removal Procedure

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-7405     Eyebolt     1    

Start By:

  1. Connect the steering frame lock. Refer to Disassembly and Assembly, "Steering Frame Lock - Separate and Connect".


NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "AVSpare Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in AVSpare machines.

Dispose of all fluids according to local regulations and mandates.


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

Personal injury can result from hot oil or hot components.

At operating temperature, oil is hot and under pressure. Hot oil can cause burns.

Remove the fill cap only when the engine is stopped, and the fill cap is cool enough to touch with your bare hand.

Do not allow hot oil or components to contact skin.

----------------------

Note: Put identification marks on all lines, on all hoses, on all wires and on all tubes for installation purposes. Plug all lines, all hoses and all tubes. This will help prevent fluid loss and this will help to prevent contaminants from entering the system.




    Illustration 1g00372632

    Note: The transmission hydraulic control valve is located in the transmission case.

  1. Open platform door (1) behind the cab in order to access the transmission.



    Illustration 2g00372655

  1. Remove four bolts (2) and bolts (3) .

  1. Remove cover assembly (4) and the gasket.



    Illustration 3g00372694

  1. Remove bolt (5) and retainer (5) that secures sleeves (6) to transmission hydraulic control valve (7) .



    Illustration 4g00372752



    Illustration 5g00372772

  1. Disconnect sleeves (6) from transmission hydraulic control valve (7) by sliding the sleeves backward. Slide sleeves (6) enough in order to allow clearance for removal of the transmission hydraulic control valve.



    Illustration 6g00372773

  1. Disconnect transmission control harness (8) from the right front corner of the transmission case.



    Illustration 7g00372777

  1. Remove nut (9) from transmission control connector (10) .

  1. Remove two bolts (11), retainer (12) and the gasket.



    Illustration 8g00372782

  1. Remove four bolts (13) and the washers.



    Illustration 9g00999492

  1. Attach Tool (A) and a hoist, as shown.

  1. Move control valve (7) to the left in order to gain enough clearance for removal of transmission control connector (10) .

  1. Carefully remove transmission hydraulic control valve (7) from the transmission. The weight of the transmission hydraulic control valve is 52 kg (115 lb).

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