Hydraulic line repair data

Hitachi EX220LC-3 Attachments – Breaker Hose List

Hitachi EX220LC-3 Attachments – Breaker currently has 6 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 6 records
Full specifications: 6 records
Systems: 1 systems
Length range: 1,080–2,450 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 7

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. 36

4311183

Installation route: 破碎器踏板~接线板(踏板)

Length: 1,130 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

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. 21

4303104

Installation route: 分配阀上~接线板(破碎器踏板)

Length: 2,450 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

4286819

Installation route: 大臂(前段)~大臂(后段)

Length: 1,850 mm
Specification: DN25;4SP-16;34.5MPa
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. 23

4310582

Installation route: 破碎器踏板~接线板(踏板)

Length: 1,080 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 EX220LC-3 Attachments – Breaker?

There are 6 published records. 6 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX220LC-3 Attachments – Breaker?

Based on published records with valid lengths, the range is 1,080–2,450 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX220LC-3 Attachments – Breaker?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (5 records), DN25;4SP-16;34.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX220LC-3 Attachments – Breaker?

Each record keeps the left and right fitting descriptions separate. Current examples: 4210341: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4311183: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4210340: 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 EX220LC-3 Attachments – Breaker hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 7 (4210341), Pipe No. 36 (4311183), Pipe No. 8 (4210340), Pipe No. 21 (4303104). Open a record to compare its installation position with the linked manual page.