Individual hose record

4388137 Hose Repair Specifications

Excavator · Hitachi · ZX250F · Boom Assembly

Finished length810 mm

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Installation diagram — Pipe No. 2

Locate Pipe No. 2 in the diagram, then confirm part number 4388137 before removing the hose.

Part number: 4388137
Diagram pipe number: 2
Installation route: Boom cylinder — left 2 / left 3Original Chinese: 大臂油缸左2/左3
Hose specification: DN19;4SH-12;42MPa
Finished length: 810 mm
Working pressure: 42 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. 1

Installation route: 大臂油缸左1/左4

Length: 810 mm
Specification: DN25;4SH-16;38.8MPa
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. 13

Installation route: Arm cylinder — leftOriginal Chinese: 小臂油缸左

Length: 900 mm
Specification: DN19;4SP-12;34.5Mpa
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