Individual hose record

4388131 Hose Repair Specifications

Excavator · Hitachi · EX270LC-5 · Boom Assembly

Finished length810 mm

Locate this hose

Installation diagram — Pipe No. 22

Locate Pipe No. 22 in the diagram, then confirm part number 4388131 before removing the hose.

Part number: 4388131
Diagram pipe number: 22
Installation route: 大臂油缸左1/左4
Hose specification: DN25;4SH-16;38.8MPa
Finished length: 810 mm
Working pressure: 38.8 MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Quantity: 2

Same system

Diagram Pipe No. 15

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 900 mm
Specification: DN25;4SH-16;38.8MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

Diagram Pipe No. 23

Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3

Length: 810 mm
Specification: DN19;4SH-12;42MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

Diagram Pipe No. 20

Installation route: 铲斗油缸(后段)

Length: 1,300 mm
Specification: DN19;4SP-12;31Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

Diagram Pipe No. 25

Installation route: 铲斗油缸(前段)

Length: 850 mm
Specification: DN19;4SH-12;42MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封