303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems Main Control Valve - Install Caterpillar


Main Control Valve - Install
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1.1. Installation Procedure

Installation Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Bracket     2    



    Illustration 1g01222526

  1. Install bracket (23) onto main control valve (20). Install bolts (22) .



    Illustration 2g01222522

  1. Attach a suitable lifting device to main control valve (20). The weight of main control valve (20) is approximately 80 kg (175 lb). Install main control valve (20) and bolts (21) .



    Illustration 3g01222512

  1. Connect hose assemblies (18) and (19) .



    Illustration 4g01222503

  1. Connect hose assemblies (15), (16), and (17) .



    Illustration 5g01222495

  1. Connect hose assembly (13) and hose assemblies (14) .



    Illustration 6g01222480

  1. Connect hose assemblies (10), (11), and (12) .



    Illustration 7g01222457

  1. Connect hose assemblies (5), (6), (7), (8), and (9) .



    Illustration 8g02161475

  1. Connect hose assembly (3) and harness assembly (4). Install clamp (2). Connect hose assemblies (1) .

  1. Fill the hydraulic oil tank. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change".

End By: Install the side hood. Refer to , "Hood - Remove and Install".

Information System:

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