Individual hose record

4374910 Hose Repair Specifications

Excavator · Hitachi · EX270LC-5 · Grease Lines

Finished length3,230 mm

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Installation diagram — Pipe No. 1A

Locate Pipe No. 1A in the diagram, then confirm part number 4374910 before removing the hose.

Hitachi EX270LC-5 installation diagram showing hydraulic hose 4374910 at Pipe No. 1A
Hitachi EX270LC-5Part 4374910 · Pipe No. 1AOpen full-size diagram

Repair specifications

Part number
4374910
Diagram pipe number
1A
Installation route
Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管
Hose specification
DN6;1SN-4;7Mpa
Finished length
3,230 mm
Working pressure
7 MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
Quantity
1

Same system

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Diagram Pipe No. 3

4374908

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length
3,920 mm
Specification
DN5;2层纤维-3;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
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Diagram Pipe No. 24

4299672

Installation route: 小臂销黄油管

Length
670 mm
Specification
DN6;2SN-4;68.5MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
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Diagram Pipe No. 0A

4374909

Installation route: 铲斗油缸黄油管

Length
2,030 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
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Diagram Pipe No. 0

9154449

Installation route: 铲斗油缸黄油管

Length
2,030 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 1

9154450

Installation route: Arm-cylinder grease lineOriginal Chinese: 小臂油缸黄油管

Length
3,230 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 2

4374426

Installation route: Right boom-cylinder grease lineOriginal Chinese: 右大臂油缸黄油管

Length
2,980 mm
Specification
DN5;2层纤维-3;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
View full repair specifications

Diagram Pipe No. 0A

4374424

Installation route: 黄油泵~大臂(黄油)

Length
2,800 mm
Specification
DN6;1SN-4;10.5MPa
Left fitting
美制内螺纹37°内锥
Right fitting
公制卡套式
View full repair specifications
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