Individual hose record

4304409 Hose Repair Specifications

Excavator · Hitachi · EX550LC · Control Lever

Finished length1,600 mm

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Installation diagram — Pipe No. 34

Locate Pipe No. 34 in the diagram, then confirm part number 4304409 before removing the hose.

Hitachi EX550LC installation diagram showing hydraulic hose 4304409 at Pipe No. 34
Hitachi EX550LCPart 4304409 · Pipe No. 34Open full-size diagram

Repair specifications

Part number
4304409
Diagram pipe number
34
Installation route
右手柄~进回油阀
Hose specification
DN10;1SN-06;7Mpa
Finished length
1,600 mm
Working pressure
7 MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
Quantity
1

Same system

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Diagram Pipe No. 1

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Installation route: 中转接头(手柄)~分配阀下右

Length
2,400 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 8

4366752

Installation route: 中转接头(手柄)~过渡阀块(手柄)

Length
300 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. 9

4315873

Installation route: 左手柄~过渡阀块(手柄)

Length
1,950 mm
Specification
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Left fitting
美制内螺纹74°内锥
Right fitting
美制内螺纹74°内锥
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Diagram Pipe No. 34

4287527

Installation route: 右手柄~进回油阀

Length
1,550 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 8

4259316

Installation route: 中转接头(手柄)~过渡阀块(手柄)

Length
300 mm
Specification
DN6;2层纤维-4;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 32

4304411

Installation route: 左手柄~进回油阀

Length
1,150 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 33

4299085

Installation route: 左手柄~进回油阀

Length
1,250 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 24

4343398

Installation route: 中转接头(行走踏板)~回油铁管(液压油箱)

Length
1,000 mm
Specification
DN10;1层纤维-6;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications
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