Hydraulic line repair data

Doosan DX140LCR Attachments – Quick Coupler Hose List

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Hose repair details

Diagram Pipe No. 7

Installation route: Quick-coupler valve port T → return steel line (control valve)Original Chinese: 快速联轴阀T口~回油铁管(分配阀)

Length: 1,300 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: British female thread, 60° external cone seatOriginal Chinese: 英制内螺纹60°外锥
Right fitting: 90° elbow, British female thread, 60° external cone seatOriginal Chinese: 90°英制内螺纹60°外锥

Diagram Pipe No. 20

Installation route: Quick-coupler valve port B → connector plate (under boom)Original Chinese: 快速联轴阀B口~接线板(大臂下)

Length: 650 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: British female thread, 60° external cone seatOriginal Chinese: 英制内螺纹60°外锥
Right fitting: 90° elbow, British female thread, 60° external cone seatOriginal Chinese: 90°英制内螺纹60°外锥