Individual hose record

4377481 Hose Repair Specifications

Excavator · Hitachi · EX270LC-5 · Swivel Joint

Finished length2,400 mm

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Installation diagram — Pipe No. 30

Locate Pipe No. 30 in the diagram, then confirm part number 4377481 before removing the hose.

Hitachi EX270LC-5 installation diagram showing hydraulic hose 4377481 at Pipe No. 30
Hitachi EX270LC-5Part 4377481 · Pipe No. 30Open full-size diagram

Repair specifications

Part number
4377481
Diagram pipe number
30
Installation route
Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达
Hose specification
DN25;4SP-16;32Mpa
Finished length
2,400 mm
Working pressure
32 MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
Quantity
2

Same system

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Diagram Pipe No. 24

4294425

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,250 mm
Specification
DN25;4SP-16;32Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
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Diagram Pipe No. 17A

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Installation route: 回转接头~电磁阀

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1,500 mm
Specification
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Left fitting
美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 31

4284507

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,300 mm
Specification
DN25;4SP-16;32Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
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Diagram Pipe No. 8A

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Installation route: 回转接头~回油铁管(液压油箱)

Length
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Specification
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Left fitting
美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 15

4269812

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,500 mm
Specification
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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. 15

4402569

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,500 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. 30

4284508

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,300 mm
Specification
DN25;4SP-16;32Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
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Diagram Pipe No. 25

4294424

Installation route: Swivel joint → travel motorOriginal Chinese: 回转接头~行走马达

Length
2,250 mm
Specification
DN25;4SP-16;32Mpa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封
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