Here is the instruction show you guide on how to perform urea water pipe leak test for HITACHI ZX-6 excavator.
What You Need?
Hitachi AllinOne MPDr v3.32 v2.25 2021 Diagnostic Software Free Download
Procedures:
1 Click [Urea Water Pipe Leak Test].
2 Click [Start].
The forced operation is continued while “Executing” is displayed.
After checking leakage, click [Stop] button.
Click [Stop] if you want to stop the forced operation.
DEF/AdBlue piping leak test can not be enforced whie the engine is running.
Enforce it only when the key switch is ON
It can not be enforced when the DEF/AdBiue tank temperature or the DEF/AdBlue supply module temperature is -5degC or lower.
Enforce it after warming up the machine and the DEF/AdBlue tank temperature and DEF/AdBlue supply module temperature is SdegCor higher.
[Procedures]
1) Turn the key switch ON. (Be sure not to start the engine.)
2) Press the [Execution] button.
3)The pump of DEF/AdBiue supply module cperates and increases the DEF/AdBlue pressure to 900 kPa.
4)Ensure that no DEF/AdBlue leakage from the DEF/AdBlue piping or dosing module.
5)Aner checking leakage. press the [5!op] button.
Turn the key switch OFF.
More repair case for Hitachi,please refer to Hitachi excavator trouble repair