Replace Def/Adblue® Tank Water Supply Inlet Filter - Hitachi ZAXIS 120-6 class Operator's Manual

Replace DEF/AdBlue® Tank Water Supply Inlet Filter
--- every 4500 hours or if DEF/AdBlue® overflows
when supplying water
IMPORTANT: Replace the filter without cleaning. Reusing
after cleaning may cause a malfunction.
The filter inside the water supply inlet of the DEF/AdBlue® tank
must be replaced periodically. Consult your authorized dealer
for replacement.
MAINTENANCE
7-165