Individual hose record

138-1909 Hose Repair Specifications

Excavator · Caterpillar · CAT®M312 · Attachments

Finished length500 mm

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Installation diagram — Pipe No. 6

Locate Pipe No. 6 in the diagram, then confirm part number 138-1909 before removing the hose.

Caterpillar CAT®M312 installation diagram showing hydraulic hose 138-1909 at Pipe No. 6 — **Caterpillar CAT®M312**Part 138-1909 · Pipe No. 6Open full-size diagram

Repair specifications

Part number: 138-1909
Diagram pipe number: 6
Installation route: 推土铲油缸~电磁阀(推土铲油缸)
Hose specification: DN10;2SN-6;33Mpa
Finished length: 500 mm
Working pressure: 33 MPa
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
Quantity: 1

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Installation route: 分配阀~大臂(中段)

Length: 5,800 mm
Specification: DN10;2SN-6;33Mpa
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. 1

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Installation route: 推土铲油缸~铁管(大臂下)

Length: 800 mm
Specification: DN10;2SN-6;33Mpa
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. 12

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Specification: DN10;2SN-6;33Mpa
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

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Installation route: 推土铲油缸~铁管(大臂下)

Length: 800 mm
Specification: DN10;2SN-6;33Mpa
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. 7

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Installation route: 电磁阀(推土铲油缸)~铁管(大臂下)

Length: 650 mm
Specification: DN10;2SN-6;33Mpa
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

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Installation route: 分配阀~大臂(前段)

Length: 6,950 mm
Specification: DN10;2SN-6;33Mpa
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. 7

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Installation route: 大臂(前段)~大臂(后段)

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Specification: DN10;2SN-6;33Mpa
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

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Installation route: 蓄能器电磁阀(驾驶室升降架下)~大臂(前段)

Length: 2,500 mm
Specification: DN10;2SN-6;33Mpa
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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For reference only. Confirm the actual hose before fabrication.