Individual hose record

4I-3991 Hose Repair Specifications

Excavator · Caterpillar · CAT®312C L · Control Lever

Finished length2,100 mm

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Installation diagram — Pipe No. 33

Locate Pipe No. 33 in the diagram, then confirm part number 4I-3991 before removing the hose.

Part number: 4I-3991
Diagram pipe number: 33
Installation route: 中转接头~分配阀下
Hose specification: DN10;-6;10.3Mpa
Finished length: 2,100 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: 2

Same system

Diagram Pipe No. 57

Installation route: 中转接头~分配阀下

Length: 2,430 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

Diagram Pipe No. 35

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

Diagram Pipe No. 34

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

Diagram Pipe No. 32

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

For reference only. Confirm the actual hose before fabrication.