Installation Procedure for 260-8015 Front Lines Gp (Medium pressure){5057, 5117, 6307} Caterpillar


Installation Procedure for 260-8015 Front Lines Gp (Medium pressure){5057, 5117, 6307}

Usage:

320D BZP
Excavator:
320D (S/N: BZP1-UP; DFT1-UP; MCH1-UP; FAL1-UP; PHX1-UP)
Work Tool:
GLC85 (S/N: JSF1-UP)

Introduction

The Special Instruction, REHS3882 is for the installation of the 260-8015 Front Lines Gp (MEDIUM PRESSURE). If you need more information about the installation of the pilot lines on your machine, consult your Caterpillar dealer.

Safety Section

------ 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.

----------------------

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

Do not operate or work on this machine unless you have read and understand the instructions and warnings in the Operation and Maintenance Manuals. Failure to follow the instructions or heed the warnings could result in injury or death. Contact your Cat dealer for replacement manuals. Proper care is your responsibility.

----------------------

Required Parts

Table 1
Parts List for 260-8015 Front Lines Gp (Medium pressure)    
Item     Qty     Pt. No.     Part Name    
(1)     1     6V-0852     Dust Cap    
(2)     2     187-5589     Hose As    
(3)     1     285-1531     Control Valve Gp    
(4)     1     266-0908     Support    
(5)     1     270-0012     Elbow As    
(6)     1     270-0014     Elbow As    
(7)     1     164-5567     Quick Disconnect Coupler As    
(8)     1     168-1969     Adapter As    
(9)     4     6V-5782     Bolt    
(10)     4     8T-4223     Hard Washer    
(11)     4     8T-4224     Hard Washer    
(12)     4     8T-4956     Bolt    



Illustration 1g01622926

Installation Section




    Illustration 2g03339374

  1. Fasten elbows (5) and (6) to the medium pressure valve block (3). Orient the elbows as shown in Illustration 2.

  1. Install adapter (8) and fitting (7) together into the side of the medium pressure valve block (3). Cover the fitting with dust cap (1) .

  1. Fasten medium pressure valve block (3) to support (4). Use bolts (9) and washers (11) .



    Illustration 3g01623294

  1. Use a safe lifting device to lower the assembled valve onto the inside of the machine's upper frame. Refer to Illustration 3.

  1. Secure the support (4) to the frame with bolts (12) and washers (10) .

  1. Connect hoses (2) to fitting (5) and fitting (6) .

  1. Tighten all hardware and fittings to the proper torque.

Setting Relief Pressure

Set relief pressure after hydraulic kit has been completely installed. The relief valve is part of the medium pressure valve block (3). In order to set the relief pressure of the attachment valve, connect a flow meter to the stick lines. Actuate the auxiliary circuit. Observe the pressure indicated on the pressure gauge. Adjust the set screw on the relief valve until the desired relief pressure is reached. Refer to the Operation and Maintenance Manual of the work tool in order to find the recommended pressure settings of the work tool.

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