Installation Procedure for the <NOBR>330-2550</NOBR> Pilot Lines Gp on Certain Hydraulic Excavators {5057, 5059} Caterpillar


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Installation Procedure for the <NOBR>330-2550</NOBR> Pilot Lines Gp on Certain Hydraulic Excavators {5057, 5059} [M0066422]
HYDRAULIC SYSTEM
LINES GP-PILOT
Installation Procedure for the <NOBR>330-2550</NOBR> Pilot Lines Gp on Certain Hydraulic Excavators {5057, 5059}
1.1. Introduction
2.1. Safety Section
3.1. Required Parts
4.1. Installation Procedure
Excavator
349E (S/N: FJB1-UP; DGE1-UP; SPG1-UP; TFG1-UP; RGH1-UP; KCN1-UP; MZW1-UP; KFX1-UP; MPZ1-UP; WHZ1-UP)
Mobile Hydraulic Power Unit
349E MHPU (S/N: S3P1-UP)

Introduction

Do not perform any procedure in this Special Instruction until you have read the information and you understand the information.

Safety Section

------ 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.


------ 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! ------

Personal injury or death can result from improperly checking for a leak.

Always use a board or cardboard when checking for a leak. Escaping air or fluid under pressure, even a pin-hole size leak, can penetrate body tissue causing serious injury, and possible death.

If fluid is injected into your skin, it must be treated immediately by a doctor familiar with this type of injury.


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

Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.




Illustration 1g00104545

Prevent the machine from movement. Park the machine on a level surface.

Attach a "Do Not Operate" warning tag or a similar warning tag to the start switch or to the controls before you service the equipment . These warning tags (Special Instruction, SEHS7332) are available from your Cat dealer.

Required Parts

Table 1
330-2550 Pilot Lines Gp Revision -01 
Item  Qty  Part No.  Description 
(1)  4I-9521  Marker Band (Red) 
(2)  4I-9522  Marker Band (Yellow) 
(3)  4I-9525  Marker Band (Orange) 
(4)  4I-9526  Marker Band (White) 
(5)  7K-1181  Cable Strap 
(6)  187-5743  Hose As 
(7)  223-6768  Hose As 
(8)  333-7211  Hose As 
(9)  338-6131  Hose As 
 
Standard Removal 
(-)  333-7209  Hose As 
(-)  266-1302  Hose As 
(-)  087-6584  Hose As 
(-)  4I-9521  Marker Band (Red) 
(-)  4I-9522  Marker Band (Yellow) 
(-)  4I-9525  Marker Band (Orange) 
(-)  4I-9526  Marker Band (White) 


Illustration 2g06039080
330-2550 Pilot Lines Gp

Installation Procedure



    Illustration 3g06039098
    (1) 4I-9521 Marker Band (Red)
    (2) 4I-9522 Marker Band (Yellow)
    (3) 4I-9525 Marker Band (Orange)
    (4) 4I-9526 Marker Band (White)
    (5) 7K-1181 Cable Strap
    (6) 187-5743 Hose As
    (7) 223-6768 Hose As
    (8) 333-7211 Hose As
    (9) 338-6131 Hose As

  1. Install hose (7) to port "CTR4".

  2. Install hose (6) to port "CTR1".

  3. Install hose (8) to port "CTR3".

  4. Install hose (9) to port "CTR2".


    Illustration 4g06039105
    (2) 4I-9522 Marker Band (Yellow)
    (4) 4I-9526 Marker Band (White)
    (6) 187-5743 Hose As
    (7) 223-6768 Hose As

  5. Install hose (7) to port "bR1".

  6. Install hose (6) to port "bL1".


    Illustration 5g06039088
    (1) 4I-9521 Marker Band (Red)
    (3) 4I-9525 Marker Band (Orange)
    (8) 333-7211 Hose As
    (9) 338-6131 Hose As

  7. Install hose (9) to port "aL1".

  8. Install hose (8) to port "aR1".

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