336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Solenoid Valve (Two-Way Flow and One Pump/Two Pump) - Remove and Install Caterpillar


Solenoid Valve (Two-Way Flow and One Pump/Two Pump) - Remove and Install
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1.1. Removal Procedure
2.1. Installation Procedure

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  QTY 
311-1362  Vacuum Gauge Gp 

Start By:

  1. Release the hydraulic system pressure.


    Illustration 1g02138737

  1. Remove the cap from the hydraulic tank. Install Tooling (A) onto the hydraulic tank. Attach an air supply hose to Tooling (A). Apply 276 to 414 kPa (40 to 60 psi) of air. This procedure will pull vacuum on the hydraulic system.


    Illustration 2g02138635

  2. Disconnect hose assemblies (1) and harness assemblies (2).

  3. Remove bolts (3) and solenoid valve (4).


    Illustration 3g02138716

  4. Remove bolts (5) and solenoid valve (6).

Installation Procedure

  1. Install solenoid valve (4) in the reverse order of removal.

    1. Tighten bolts (5) to a torque of 7 ± 1 N·m (62 ± 9 lb in).

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