Individual hose record

4448946 Hose Repair Specifications

Excavator · Hitachi · ZX190W-6N · Swivel Joint

Finished length750 mm

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Installation diagram — Pipe No. 31

Locate Pipe No. 31 in the diagram, then confirm part number 4448946 before removing the hose.

Hitachi ZX190W-6N installation diagram showing hydraulic hose 4448946 at Pipe No. 31
Hitachi ZX190W-6NPart 4448946 · Pipe No. 31Open full-size diagram

Repair specifications

Part number
4448946
Diagram pipe number
31
Installation route
回转接头~电磁阀
Hose specification
DN10;1SN-06;18MPa
Finished length
750 mm
Working pressure
18 MPa
Left fitting
美制内螺纹74°内锥
Right fitting
90°美制内螺纹74°内锥
Quantity
1

Same system

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Specification
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American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
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Diagram Pipe No. 36

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

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美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 1

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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. 25

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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. 23

4724125

Installation route: 回转接头~过渡阀块(刹车踏板)

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. 3

4305229

Installation route: 回转接头~前传动轴

Length
1,000 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. 0

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Installation route: 回转接头~回油铁管(液压油箱)

Length
1,000 mm
Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
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Diagram Pipe No. 31

4436269

Installation route: 回转接头~回转接头下

Length
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Specification
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Right fitting
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