Individual hose record

4437938 Hose Repair Specifications

Excavator · Hitachi · ZX230 · Swivel Joint

Finished length1,600 mm

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Installation diagram — Pipe No. 5

Locate Pipe No. 5 in the diagram, then confirm part number 4437938 before removing the hose.

Hitachi ZX230 installation diagram showing hydraulic hose 4437938 at Pipe No. 5 — **Hitachi ZX230**Part 4437938 · Pipe No. 5Open full-size diagram

Repair specifications

Part number: 4437938
Diagram pipe number: 5
Installation route: 回转接头~电磁阀
Hose specification: DN6;1SN-04;22.5MPa
Finished length: 1,600 mm
Working pressure: 22.5 MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥
Quantity: 1

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Diagram Pipe No. 1

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

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Diagram Pipe No. 1

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

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Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
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Diagram Pipe No. 0

4258300

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

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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. 14

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Diagram Pipe No. 0

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

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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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