336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Control Valve (Quick Coupler) - Remove and Install Caterpillar


Control Valve (Quick Coupler) - Remove and Install
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336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems [KENR8157]
HYDRAULIC SYSTEM
VALVE GP-QUICK COUPLER
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Control Valve (Quick Coupler) - Remove and Install
336E Excavator and 336E MHPU Mobile Hydraulic Power Unit Machine Systems Solenoid Valve (Quick Coupler) - Remove and Install
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.

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

Personal injury can result from hydraulic oil pressure and hot oil.

Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.

Make sure all of the work tools have been lowered to the ground, and the oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.




    Illustration 1g02142159

  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 2g02142161

  2. Disconnect hose assemblies (2) and harness assembly (3).

  3. Remove bolts (4) and control valve (1).


    Illustration 3g02142226

  4. Remove valve assembly (5), bolts (6), and O-ring seals (7).

  5. Remove check valve (8) and valve assemblies (9).

Installation Procedure

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

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