938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Metering Pump (HMU) - Install Caterpillar


Metering Pump (HMU) - Install
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1.1. Installation Procedure

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
4C-4030  Thread Lock Compound 


    Illustration 1g00278604

    Note: Before installation, apply Tooling (A) to bolts (10).

  1. Position plate (9) on the steering metering pump. Install bolts (10). The torque for bolts (10) is 55 ± 10 N·m (40 ± 7 lb ft).


    Illustration 2g00278603


    Illustration 3g00984698

  2. Install steering metering pump (8).

    Note: The splines of the steering metering unit must align.



    Illustration 4g00278602

  3. Install bolts (7) at the base of the steering column. The torque for bolts (7) is 28 ± 7 N·m (21 ± 5 lb ft).


    Illustration 5g00278601

  4. Put the insulation and rubber mat (6) on the cab floor.


    Illustration 6g00278600

  5. Connect hose assemblies (5).


    Illustration 7g00278599

  6. Install brake control valve (4) and bolts (3).


    Illustration 8g00278598

  7. Install panel (2) and bolts (1).

  8. Fill the hydraulic tank with oil. Refer to Operation and Maintenance Manual for the correct procedure.

End By:

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

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