Replace The Def/Adblue® Back Flow Line Filter - Hitachi ZAXIS 120-6 class Operator's Manual

Hydraulic excavator

Table of Contents

Replace the DEF/AdBlue® back flow line filter

--- every 4500 hours

IMPORTANT: Replace the filter without cleaning. Reusing

after cleaning may cause a malfunction.

There is a circuit returning DEF/AdBlue® from the DEF/

AdBlue® supply module to the DEF/AdBlue® tank. This circuit

is equipped with a back flow filter. The back flow filter must be

replaced periodically. When it is time to replace it, contact your

nearest authorized dealer.

Troubleshooting