Individual hose record

4I-3778 Hose Repair Specifications

Excavator · Caterpillar · CAT®315-A L · Attachments

Finished length820 mm

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Installation diagram — Pipe No. 8

Locate Pipe No. 8 in the diagram, then confirm part number 4I-3778 before removing the hose.

Caterpillar CAT®315-A L installation diagram showing hydraulic hose 4I-3778 at Pipe No. 8
Caterpillar CAT®315-A LPart 4I-3778 · Pipe No. 8Open full-size diagram

Repair specifications

Part number
4I-3778
Diagram pipe number
8
Installation route
先导阀~手动阀(连接分配阀)
Hose specification
DN10;-6;10.3Mpa
Finished length
820 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
1

Same system

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Installation route: 踏板(附加装置)~分配阀下

Length
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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. 3

108-7497

Installation route: 大臂(附加装置)~分配阀前

Length
1,100 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. 6

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Installation route: 大臂(附加装置)~小臂(附加装置)

Length
1,370 mm
Specification
DN19;4SP-12;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
View full repair specifications

For reference only. Confirm the actual hose before fabrication.

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