Individual hose record

4644290 Hose Repair Specifications

Excavator · Hitachi · ZX650LC-3 · Swivel Joint

Finished length1,910 mm

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Installation diagram — Pipe No. 1

Locate Pipe No. 1 in the diagram, then confirm part number 4644290 before removing the hose.

Hitachi ZX650LC-3 installation diagram showing hydraulic hose 4644290 at Pipe No. 1
Hitachi ZX650LC-3Part 4644290 · Pipe No. 1Open full-size diagram

Repair specifications

Part number
4644290
Diagram pipe number
1
Installation route
回转接头~分配阀右上
Hose specification
DN25;4SP-16;32.5MPa
Finished length
1,910 mm
Working pressure
32.5 MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
Quantity
1

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

Length
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Specification
DN10;1SN-6;7Mpa
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. 0

4332809

Installation route: 回转接头~分配阀右下

Length
1,850 mm
Specification
DN25;4SP-16;32.5MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
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Diagram Pipe No. 3

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Installation route: 回转接头~回油铁管(液压油箱)

Length
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Specification
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Left fitting
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Right fitting
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Diagram Pipe No. 2

4398423

Installation route: 回转接头~分配阀左下

Length
1,800 mm
Specification
DN25;4SP-16;32.5MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
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Diagram Pipe No. 6

4644538

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

Length
2,950 mm
Specification
DN25;4SH-16;38Mpa
Left fitting
Heavy-series flangeOriginal Chinese: 法兰-重型
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. 3

4644291

Installation route: 回转接头~分配阀左上/右上

Length
1,880 mm
Specification
DN25;4SP-16;32.5MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
45° heavy-series flangeOriginal Chinese: 45°法兰-重型
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