Doosan Heavy Duty Machine Pump EPPR Valve Check Guide

Doosan heavy duty machine VBO calibration require you to do pump EPPR valve check,so here show you the steps.

Preparations:

Doosan Data Monitoring System DMS-5 DMS-3 Free Download

Doosan Diagnostic Tool

Pump EPPR valve check

*Calibration judgement

3.1. Measure the input & output current of the pump EPPR valve in certain condition

Ex. DX350LC-7, Normal outputs of pump EPPR valve (Please refer the shop manual to check the exact value

on each model)

1. Not in operation: 300
   

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