Individual hose record

4I-3994 Hose Repair Specifications

Excavator · Caterpillar · CAT®312D L · Control Valve

Finished length2,300 mm

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Installation diagram — Pipe No. 1

Locate Pipe No. 1 in the diagram, then confirm part number 4I-3994 before removing the hose.

Caterpillar CAT®312D L installation diagram showing hydraulic hose 4I-3994 at Pipe No. 1 — **Caterpillar CAT®312D L**Part 4I-3994 · Pipe No. 1Open full-size diagram

Repair specifications

Part number: 4I-3994
Diagram pipe number: 1
Installation route: 分配阀前左~电磁阀(分配阀前下)
Hose specification: DN10;-6;10.3Mpa
Finished length: 2,300 mm
Working pressure: 10.3 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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Specification: DN19;6SH-12;42Mpa
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: 分配阀下~电磁阀(分配阀下)

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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. 13

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Installation route: 分配阀左上~过渡阀块(分配阀下)

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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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Installation route: 分配阀上~电磁阀(分配阀后)

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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. 12

5I-4076

Installation route: 分配阀上左~电磁阀(分配阀右前)

Length: 1,350 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

5I-4076

Installation route: 分配阀上~电磁阀(分配阀右)

Length: 1,350 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. 56

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Installation route: 分配阀下左~过渡阀块(分配阀下)

Length: 380 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. 16

143-4254

Installation route: 分配阀上~

Length: 1,160 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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For reference only. Confirm the actual hose before fabrication.