Hydraulic line repair data

Hitachi EX400LC-3C Attachments – Breaker Hose List

Hitachi EX400LC-3C Attachments – Breaker currently has 10 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 10 records
Full specifications: 10 records
Systems: 1 systems
Length range: 700–3,400 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 33

4344302

Installation route: 分配阀上左~过渡阀块(踏板)

Length: 3,000 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. 10

4343209

Installation route: 大臂(后段)~卸压安全阀(破碎器)

Length: 900 mm
Specification: DN32;4SP-20;32Mpa
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. 31

4344221

Installation route: 破碎器踏板~过渡阀块(踏板)

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. 0

4210340

Installation route: 破碎器踏板~进回油阀

Length: 1,350 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. 1

4210341

Installation route: 破碎器踏板~行走踏板

Length: 1,200 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. 21

4268968

Installation route: 破碎器滤芯~回油铁管(分配阀)

Length: 1,300 mm
Specification: DN32;2SN-20;7MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 58

4348070

Installation route: 分配阀左~铁管(破碎器)

Length: 1,850 mm
Specification: DN32;4SP-20;32Mpa
Left fitting: Heavy-series flangeOriginal Chinese: 法兰-重型
Right fitting: 70°法兰-重型

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Diagram Pipe No. 57

4268958

Installation route: 过渡阀块(破碎器)~破碎器滤芯

Length: 700 mm
Specification: DN32;2SN-20;7MPa
Left fitting: 英制内螺纹30°外锥
Right fitting: 英制内螺纹30°外锥

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Diagram Pipe No. 32

4283165

Installation route: 破碎器踏板~过渡阀块(踏板)

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. 34

4344301

Installation route: 分配阀下左~过渡阀块(踏板)

Length: 3,400 mm
Specification: DN10;1层纤维-6;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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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 EX400LC-3C Attachments – Breaker?

There are 10 published records. 10 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX400LC-3C Attachments – Breaker?

Based on published records with valid lengths, the range is 700–3,400 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX400LC-3C Attachments – Breaker?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (6 records), DN32;2SN-20;7MPa (2 records), DN32;4SP-20;32Mpa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX400LC-3C Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4344302: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4343209: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal; 4344221: left 美制内螺纹37°内锥; right 90°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 EX400LC-3C Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 33 (4344302), Pipe No. 10 (4343209), Pipe No. 31 (4344221), Pipe No. 0 (4210340). Open a record to compare its installation position with the linked manual page.