Individual hose record

4250078 Hose Repair Specifications

Excavator · Hitachi · ZX290LC-5N · Boom Assembly

Finished length1,500 mm

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Installation diagram — Pipe No. 13

Locate Pipe No. 13 in the diagram, then confirm part number 4250078 before removing the hose.

Hitachi ZX290LC-5N installation diagram showing hydraulic hose 4250078 at Pipe No. 13 — **Hitachi ZX290LC-5N**Part 4250078 · Pipe No. 13Open full-size diagram

Repair specifications

Part number: 4250078
Diagram pipe number: 13
Installation route: 铲斗油缸(后段)
Hose specification: DN19;4SP-12;35Mpa
Finished length: 1,500 mm
Working pressure: 35 MPa
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
Quantity: 2

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Diagram Pipe No. 10

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Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3

Length: 850 mm
Specification: DN19;4SH-12;42MPa
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. 9

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Installation route: 大臂油缸左1/左4

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Specification: DN25;4SH-16;38.8MPa
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. 9

4628916

Installation route: 大臂油缸左1/左4

Length: 850 mm
Specification: DN25;4SH-16;38.8MPa
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. 26

4272697

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

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Specification: DN25;4SH-16;38.8MPa
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. 11

4622750

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 750 mm
Specification: DN25;4SH-16;38.8MPa
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. 12

4620800

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 770 mm
Specification: DN25;4SH-16;38.8MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 12

4628534

Installation route: Arm cylinder — rightOriginal Chinese: 小臂油缸右

Length: 750 mm
Specification: DN25;4SH-16;38.8MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° heavy-series flangeOriginal Chinese: 90°法兰-重型

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Diagram Pipe No. 7

9263974

Installation route: 大臂左2

Length: 1,700 mm
Specification: DN25;4SP-16;35Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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