Individual hose record

7I-7122 Hose Repair Specifications

Excavator · Caterpillar · CAT®312C L · Attachments

Finished length1,220 mm

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Installation diagram — Pipe No. 3

Locate Pipe No. 3 in the diagram, then confirm part number 7I-7122 before removing the hose.

Caterpillar CAT®312C L installation diagram showing hydraulic hose 7I-7122 at Pipe No. 3 — **Caterpillar CAT®312C L**Part 7I-7122 · Pipe No. 3Open full-size diagram

Repair specifications

Part number: 7I-7122
Diagram pipe number: 3
Installation route: 大臂(附加装置)~小臂(附加装置)
Hose specification: DN25;6SH-16;42Mpa
Finished length: 1,220 mm
Working pressure: 42 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: 大臂(附加装置)~小臂(附加装置)

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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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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: 手柄(推土铲)~控制阀(回转接头右)

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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. 2

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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

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Installation route: 手柄(推土铲)~进回油阀

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Specification: DN10;1SN-6;10.4Mpa
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. 92

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Installation route: 减压阀(分配阀下)~

Length: 750 mm
Specification: DN10;1SN-6;10.4Mpa
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: 大臂(附加装置)~过渡接头(回转接头前)

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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. 9

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Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 1,170 mm
Specification: DN13;4SP-8;28Mpa
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.