Hydraulic line repair data

Hitachi ZX270LC-3 Attachments – Lock Valve Hose List

Coverage details

Hoses: 3 records
Full specifications: 3 records
Systems: 1 systems
Length range: 1,900–3,650 mm

Current system

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Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 19

9268707

Installation route: 液压油箱~接线板(锁止阀)

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. 1A

4649438

Installation route: 分节油缸锁止阀

Length: 3,650 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. 19A

4660285

Installation route: 液压油箱~接线板(锁止阀)

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. 21

4659668

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,250 mm
Specification: DN6;2SN-4;34.5MPa
Left fitting: 90°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

9260091

Installation route: 分节油缸锁止阀

Length: 3,650 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. 15A

4656097

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,050 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. 30A

4455200

Installation route: 左大臂油缸锁止阀~液压油箱

Length: 3,700 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. 40A

4479838

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,100 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. 23

9270223

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 5,800 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. 28A

4656095

Installation route: 右大臂油缸锁止阀~分配阀上右

Length: 3,500 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. 15

9265280

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,050 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. 21

9270222

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 5,800 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. 23A

4661772

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 5,800 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. 19

9270215

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 5,800 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. 22A

4661759

Installation route: 液压油箱~接线板(锁止阀)

Length: 2,250 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. 22

9270216

Installation route: 液压油箱~接线板(锁止阀)

Length: 2,250 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. 40

9223211

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,100 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

View full repair specifications

Diagram Pipe No. 21A

4661766

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 5,800 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. 19A

4661771

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 5,800 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. 28

9265239

Installation route: 右大臂油缸锁止阀~分配阀上右

Length: 3,500 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

View full repair specifications

Diagram Pipe No. 30

9267881

Installation route: 左大臂油缸锁止阀~液压油箱

Length: 3,700 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

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 ZX270LC-3 Attachments – Lock Valve?

There are 3 published records. 3 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX270LC-3 Attachments – Lock Valve?

Based on published records with valid lengths, the range is 1,900–3,650 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX270LC-3 Attachments – Lock Valve?

The most frequent raw specifications in the current published records are: DN10;1SN-6;7Mpa (3 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX270LC-3 Attachments – Lock Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 9268707: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4649438: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4660285: 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 ZX270LC-3 Attachments – Lock Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 19 (9268707), Pipe No. 1A (4649438), Pipe No. 19A (4660285). Open a record to compare its installation position with the linked manual page.