Individual hose record

4452733 Hose Repair Specifications

Excavator · Hitachi · ZX270LC · Attachments

Finished length450 mm

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Installation diagram — Pipe No. 18

Locate Pipe No. 18 in the diagram, then confirm part number 4452733 before removing the hose.

Hitachi ZX270LC installation diagram showing hydraulic hose 4452733 at Pipe No. 18
Hitachi ZX270LCPart 4452733 · Pipe No. 18Open full-size diagram

Repair specifications

Part number
4452733
Diagram pipe number
18
Installation route
过渡阀块(控制阀(分节油缸))~过渡阀块
Hose specification
DN6;1SN-04;22.5MPa
Finished length
450 mm
Working pressure
22.5 MPa
Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
Quantity
1

Same system

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Diagram Pipe No. 40

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Installation route: 分配阀右~液压油箱

Length
720 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. 53

4453683

Installation route: 分配阀左~流速切换阀

Length
850 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. 28

4462262

Installation route: 大臂(辅助)~控制阀(辅助)

Length
3,000 mm
Specification
DN10;2SN-6;34.5MPa
Left fitting
美制内螺纹37°内锥
Right fitting
45°美制内螺纹37°内锥
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Diagram Pipe No. 33

4452733

Installation route: 过渡阀块(辅助)~过渡阀块

Length
450 mm
Specification
DN6;1SN-04;22.5MPa
Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
View full repair specifications

Diagram Pipe No. 28

4462262

Installation route: 大臂(辅助)~回油铁管(液压油箱)

Length
3,000 mm
Specification
DN10;2SN-6;34.5MPa
Left fitting
美制内螺纹37°内锥
Right fitting
45°美制内螺纹37°内锥
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Diagram Pipe No. 7

4285795

Installation route: 先导泵~控制阀(辅助)

Length
500 mm
Specification
DN12;4SP-8;34.5Mpa
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. 15

4366894

Installation route: 控制阀(辅助)~电磁阀(辅助)

Length
830 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. 23

4452037

Installation route: 流速切换阀~过渡阀块(辅助)

Length
850 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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