Individual hose record

4446707 Hose Repair Specifications

Excavator · Hitachi · ZX120 · Attachments

Finished length1,750 mm

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Installation diagram — Pipe No. 32A

Locate Pipe No. 32A in the diagram, then confirm part number 4446707 before removing the hose.

Hitachi ZX120 installation diagram showing hydraulic hose 4446707 at Pipe No. 32A
Hitachi ZX120Part 4446707 · Pipe No. 32AOpen full-size diagram

Repair specifications

Part number
4446707
Diagram pipe number
32A
Installation route
电磁阀(流速切换)~中转接头
Hose specification
DN6;1SN-4;7Mpa
Finished length
1,750 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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Length
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Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
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Diagram Pipe No. 15

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Installation route: 分节大臂踏板~进回油阀

Length
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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. 7

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Installation route: 分配阀右~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
90°美制内螺纹37°内锥
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Diagram Pipe No. 20

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Installation route: 分配阀下~过渡阀块(分配阀)

Length
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Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
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Diagram Pipe No. 33A

4446706

Installation route: 分配阀右~电磁阀(流速切换)

Length
2,050 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. 13

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Installation route: 分配阀下~过渡阀块(推土铲)

Length
650 mm
Specification
DN10;1SN-06;18MPa
Left fitting
美制内螺纹74°内锥
Right fitting
90°美制内螺纹74°内锥
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Diagram Pipe No. 9

4458318

Installation route: 分配阀下~过渡阀块(推土铲)

Length
300 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. 21

4442333

Installation route: 过渡阀块(分配阀)~过渡阀块(推土铲)

Length
400 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
90°美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications

For reference only. Confirm the actual hose before fabrication.

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