Hydraulic line repair data

Hitachi EX300LC-3 Attachments – Breaker Hose List

Hitachi EX300LC-3 Attachments – Breaker currently has 9 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 9 records
Full specifications: 9 records
Systems: 1 systems
Length range: 700–2,350 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 7

4218407

Installation route: 破碎器踏板~接线板(中转接头)

Length: 1,700 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. 4

4226325

Installation route: 破碎器踏板~接线板(中转接头)

Length: 1,750 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. 6

4200477

Installation route: 大臂(后段)~卸压安全阀(破碎器)

Length: 700 mm
Specification: DN25;4SP-16;32Mpa
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. 5

4218405

Installation route: 分配阀上~接线板(中转接头)

Length: 2,350 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 90°美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 11

4326026

Installation route: 小臂破碎器截止阀

Length: 2,270 mm
Specification: DN25;4SP-16;31MPa
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

4326027

Installation route: 小臂破碎器截止阀

Length: 1,500 mm
Specification: DN25;4SP-16;31MPa
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. 8

4218404

Installation route: 分配阀下~接线板(中转接头)

Length: 1,850 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 90°美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 16

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. 13

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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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 EX300LC-3 Attachments – Breaker?

There are 9 published records. 9 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX300LC-3 Attachments – Breaker?

Based on published records with valid lengths, the range is 700–2,350 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX300LC-3 Attachments – Breaker?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (6 records), DN25;4SP-16;31MPa (2 records), DN25;4SP-16;32Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX300LC-3 Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4218407: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4226325: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4200477: left American female thread, flat-face seal; right American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX300LC-3 Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 7 (4218407), Pipe No. 4 (4226325), Pipe No. 6 (4200477), Pipe No. 5 (4218405). Open a record to compare its installation position with the linked manual page.