302.5C Mini Hydraulic Excavator Machine Systems Caterpillar


Main Control Valve - Install

Usage:

302.5C GBB

Installation Procedure


NOTICE

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

Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.


Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.




    Illustration 1g01177588

  1. Position bracket assembly (18) to main control valve (12). Install bolts (16) .

  1. Install clips (17) and the pins.



    Illustration 2g01176442

  1. Attach a suitable lifting device to main control valve (12) and position main control valve (12). The weight of main control valve (12) is approximately 36 kg (80 lb). Install bolts (15) .



    Illustration 3g01176441

  1. Connect harness assemblies (14) .



    Illustration 4g01176440

  1. Install cover (13) .



    Illustration 5g01176436

  1. Connect the hoses, the tube assemblies, and the hose assemblies to main control valve (12) .



    Illustration 6g01176430

  1. Connect cable assemblies (11) .

  1. Position cable assembly (9) and tighten nut (10). Connect cable assembly (9) .



    Illustration 7g01176424

  1. Install bracket assembly (8) .



    Illustration 8g01176380

  1. Position refrigerant condenser and mounting (7). Connect bracket (5) and install clip (4). Fasten latch (6) .



    Illustration 9g01176379

  1. Position access door (1). Connect bracket (3) and install clip (2) .



    Illustration 10g01176377

  1. Close access door (1) .

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

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