Individual hose record

4I-3991 Hose Repair Specifications

Excavator · Caterpillar · CAT®313F L · Control Lever

Finished length2,100 mm

Locate this hose

Installation diagram — Pipe No. 1

Locate Pipe No. 1 in the diagram, then confirm part number 4I-3991 before removing the hose.

Part number: 4I-3991
Diagram pipe number: 1
Installation route: 中转接头~分配阀上右
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: 1

Same system

Diagram Pipe No. 2

Installation route: 中转接头~分配阀下右

Length: 1,860 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. 6

Installation route: 中转接头~模式转换器(驾驶室)

Length: 630 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

For reference only. Confirm the actual hose before fabrication.