Individual hose record

4I-3991 Hose Repair Specifications

Excavator · Caterpillar · CAT®313F L · Attachments

Finished length2,100 mm

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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: 踏板(附加装置)~分配阀上
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. 7

Installation route: 踏板(附加装置)~分配阀上

Length: 2,200 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. 8

Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 1,680 mm
Specification: DN13;4SP-8;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

Diagram Pipe No. 9

Installation route: 大臂(前段)~大臂(后段)

Length: 6,260 mm
Specification: DN10;6SH-6;42Mpa
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: 右踏板~分配阀上

Length: 2,200 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. 8

Installation route: 大臂(附加装置)~小臂(附加装置)

Length: 1,850 mm
Specification: DN13;4SP-8;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

For reference only. Confirm the actual hose before fabrication.