525C, 535C and 545C Wheel Skidders Machine Systems Caterpillar


Pilot Oil Accumulator (Dead Engine Lower) - Remove and Install

Usage:

525C 525

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
FT-1114  Vacuum Cap 
5P-0306 Vacuum Transducer 
6V-4142 Fitting 
5K-5068 Fitting 

Start By:

  1. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "System Pressure - Release".

Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the component should be thoroughly cleaned. This will help to prevent dirt from entering the internal mechanism.


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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.




    Illustration 1g01266584

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


    Illustration 2g01266153

  2. Remove guard (1).


    Illustration 3g01266154

  3. Remove accumulator (2).

Installation Procedure

Table 2
Required Tools 
Tool  Part Number  Part Description  Qty 
FT-1114  Vacuum Cap 
5P-0306 Vacuum Transducer 
6V-4142 Fitting 
5K-5068 Fitting 

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 4g01266154

  1. Install accumulator (2).


    Illustration 5g01266153

  2. Install guard (1).


    Illustration 6g01266584

  3. Remove Tooling (A) from the hydraulic tank.

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