Individual hose record

122-5218 Hose Repair Specifications

Excavator · Caterpillar · CAT®311B · Control Valve

Finished length800 mm

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Installation diagram — Pipe No. 7

Locate Pipe No. 7 in the diagram, then confirm part number 122-5218 before removing the hose.

Caterpillar CAT®311B installation diagram showing hydraulic hose 122-5218 at Pipe No. 7
Caterpillar CAT®311BPart 122-5218 · Pipe No. 7Open full-size diagram

Repair specifications

Part number
122-5218
Diagram pipe number
7
Installation route
分配阀左~回转马达
Hose specification
DN19;1SN-12;8.7Mpa
Finished length
800 mm
Working pressure
8.7 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

Same system

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Right fitting
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Diagram Pipe No. 27

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Right fitting
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Right fitting
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Diagram Pipe No. 7

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Right fitting
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Diagram Pipe No. 42

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Specification
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Left fitting
美制内螺纹37°锥
Right fitting
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Diagram Pipe No. 60

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Length
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Specification
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Left fitting
美制内螺纹37°锥
Right fitting
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Diagram Pipe No. 6

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Installation route: 分配阀上~过渡阀块(分配阀左前)

Length
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Specification
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Left fitting
美制内螺纹37°锥
Right fitting
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Diagram Pipe No. 45

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

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Left fitting
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Right fitting
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For reference only. Confirm the actual hose before fabrication.

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