Individual hose record

4249334 Hose Repair Specifications

Excavator · Hitachi · EX270LC-5 · Boom Assembly

Finished length850 mm

Locate this hose

Installation diagram — Pipe No. 25

Locate Pipe No. 25 in the diagram, then confirm part number 4249334 before removing the hose.

Hitachi EX270LC-5 installation diagram showing hydraulic hose 4249334 at Pipe No. 25
Hitachi EX270LC-5Part 4249334 · Pipe No. 25Open full-size diagram

Repair specifications

Part number
4249334
Diagram pipe number
25
Installation route
铲斗油缸(前段)
Hose specification
DN19;4SH-12;42MPa
Finished length
850 mm
Working pressure
42 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

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Diagram Pipe No. 15

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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
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Diagram Pipe No. 23

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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
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Diagram Pipe No. 20

4265833

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
View full repair specifications

Diagram Pipe No. 22

4388131

Installation route: 大臂油缸左1/左4

Length
810 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
View full repair specifications
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