Hydraulic line repair data

Hitachi EX550LC Control Lever Hose List

Hitachi EX550LC Control Lever currently has 18 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 18 records
Full specifications: 18 records
Systems: 1 systems
Length range: 300–2,400 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 1

4367014

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

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Diagram Pipe No. 8

4366752

Installation route: 中转接头(手柄)~过渡阀块(手柄)

Length: 300 mm
Specification: DN6;1SN-4;7Mpa
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. 34

4304409

Installation route: 右手柄~进回油阀

Length: 1,600 mm
Specification: DN10;1SN-06;7Mpa
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: DN10;1SN-06;18MPa
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

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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

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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

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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

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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

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Diagram Pipe No. 36

4316007

Installation route: 右手柄~进回油阀

Length: 1,600 mm
Specification: DN10;1SN-06;7Mpa
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. 22

4366998

Installation route: 中转接头(手柄)~中转接头(行走踏板)

Length: 800 mm
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. 7

4287097

Installation route: 左手柄~中转接头(手柄)

Length: 1,900 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

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Diagram Pipe No. 36

4287546

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

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Diagram Pipe No. 32

4316006

Installation route: 左手柄~进回油阀

Length: 1,200 mm
Specification: DN10;1SN-06;7Mpa
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. 6

4299086

Installation route: 左手柄~中转接头(手柄)

Length: 1,900 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

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Diagram Pipe No. 23

4343397

Installation route: 中转接头(手柄)~回油铁管(液压油箱)

Length: 1,250 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

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Diagram Pipe No. 8

4315872

Installation route: 左手柄~过渡阀块(手柄)

Length: 1,950 mm
Specification: DN10;1SN-06;18MPa
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. 33

4304412

Installation route: 左手柄~进回油阀

Length: 1,300 mm
Specification: DN10;1SN-06;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制内螺纹37°内锥

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Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Hitachi EX550LC Control Lever?

There are 18 published records. 18 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX550LC Control Lever?

Based on published records with valid lengths, the range is 300–2,400 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX550LC Control Lever?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (8 records), DN10;1SN-06;7Mpa (4 records), DN10;1SN-06;18MPa (2 records), DN10;1层纤维-6;14MPa (2 records), DN6;1SN-4;7Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX550LC Control Lever?

Each record keeps the left and right fitting descriptions separate. Current examples: 4367014: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4366752: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4304409: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX550LC Control Lever hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 1 (4367014), Pipe No. 8 (4366752), Pipe No. 34 (4304409), Pipe No. 9 (4315873). Open a record to compare its installation position with the linked manual page.