Individual hose record

8U-6404 Hose Repair Specifications

Excavator · Caterpillar · CAT®212B · Attachments – Lock Valve

Finished length5,997 mm

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Installation diagram — Pipe No. 2

Locate Pipe No. 2 in the diagram, then confirm part number 8U-6404 before removing the hose.

Part number: 8U-6404
Diagram pipe number: 2
Installation route: 小臂油缸锁止阀~分配阀前左上
Hose specification: DN8;-5;17.5Mpa
Finished length: 5,997 mm
Working pressure: 17.5 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. 5

Installation route: 过渡接头(大臂油缸锁止阀)~液压油箱

Length: 1,652 mm
Specification: DN19;2SN-12;21.5Mpa
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. 1

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 457 mm
Specification: DN6;2SN-4;40Mpa
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.