Individual hose record

4I-3988 Hose Repair Specifications

Excavator · Caterpillar · CAT®312C · Control Lever

Finished length2,250 mm

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Installation diagram — Pipe No. 32

Locate Pipe No. 32 in the diagram, then confirm part number 4I-3988 before removing the hose.

Caterpillar CAT®312C installation diagram showing hydraulic hose 4I-3988 at Pipe No. 32
Caterpillar CAT®312CPart 4I-3988 · Pipe No. 32Open full-size diagram

Repair specifications

Part number
4I-3988
Diagram pipe number
32
Installation route
中转接头~分配阀下
Hose specification
DN10;1SN-6;10.4Mpa
Finished length
2,250 mm
Working pressure
10.4 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

Related Hoses

Diagram Pipe No. 31

4I-3988

Installation route: 中转接头~分配阀上

Length
2,250 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
View full repair specifications

Diagram Pipe No. 56

104-8783

Installation route: 中转接头~分配阀上

Length
2,150 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
View full repair specifications

Diagram Pipe No. 58

104-8783

Installation route: 中转接头~分配阀下

Length
2,150 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
View full repair specifications

Diagram Pipe No. 33

7Y-4199

Installation route: 中转接头~分配阀下

Length
1,800 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
View full repair specifications

Diagram Pipe No. 34

110-5499

Installation route: 中转接头~分配阀下

Length
1,570 mm
Specification
DN10;-6;10.3Mpa
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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