Individual hose record

108-7228 Hose Repair Specifications

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

Finished length1,850 mm

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Installation diagram — Pipe No. 56

Locate Pipe No. 56 in the diagram, then confirm part number 108-7228 before removing the hose.

Caterpillar CAT®312B L installation diagram showing hydraulic hose 108-7228 at Pipe No. 56
Caterpillar CAT®312B LPart 108-7228 · Pipe No. 56Open full-size diagram

Repair specifications

Part number
108-7228
Diagram pipe number
56
Installation route
分配阀下~分配阀
Hose specification
DN6;-4;10.3Mpa
Finished length
1,850 mm
Working pressure
10.3 MPa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
Quantity
2

Same system

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Installation route: 分配阀左~回转马达

Length
860 mm
Specification
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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. 42

108-7237

Installation route: 分配阀前~蓄能器电磁阀(液压油箱后)

Length
1,950 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
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Diagram Pipe No. 5

7I-0196

Installation route: 分配阀上~先导阀(分配阀左前)

Length
730 mm
Specification
DN10;-6;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
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Diagram Pipe No. 27

129-6109

Installation route: 分配阀~蓄能器电磁阀(液压油箱后)

Length
1,800 mm
Specification
DN6;-4;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 1

7I-0196

Installation route: 分配阀上~先导阀(分配阀左下)

Length
730 mm
Specification
DN10;-6;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
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Diagram Pipe No. 10

7I-0181

Installation route: 分配阀上~手动阀(分配阀左前)

Length
1,250 mm
Specification
DN10;-6;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
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Diagram Pipe No. 38

7I-0181

Installation route: 分配阀上~分配阀下

Length
1,250 mm
Specification
DN10;-6;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

Diagram Pipe No. 45

4I-6245

Installation route: 分配阀上~蓄能器电磁阀(液压油箱后)

Length
2,400 mm
Specification
DN10;-6;10.3Mpa
Left fitting
美制内螺纹37°锥
Right fitting
美制内螺纹37°锥
View full repair specifications

For reference only. Confirm the actual hose before fabrication.

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