Individual hose record

4257291 Hose Repair Specifications

Excavator · Hitachi · ZX370 · Grease Lines

Finished length3,600 mm

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Installation diagram — Pipe No. 12

Locate Pipe No. 12 in the diagram, then confirm part number 4257291 before removing the hose.

Hitachi ZX370 installation diagram showing hydraulic hose 4257291 at Pipe No. 12
Hitachi ZX370Part 4257291 · Pipe No. 12Open full-size diagram

Repair specifications

Part number
4257291
Diagram pipe number
12
Installation route
大臂油缸黄油管
Hose specification
DN6;1SN-04;22.5MPa
Finished length
3,600 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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Right fitting
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Diagram Pipe No. 11

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Right fitting
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Right fitting
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Diagram Pipe No. 25

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Specification
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Right fitting
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Diagram Pipe No. 23

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

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