Aftertreatment Device; Check And Clean Aftertreatment Device - Hitachi ZAXIS 120-6 class Operator's Manual

Hydraulic excavator

Table of Contents

J. Aftertreatment Device

--- as required

 Check and clean flammable materials on the area

around the Aftertreatment device.

 Condensation for dew may blow out from exhaust

outlet (1) of the afterfreatment device and black

deposition may be observed; it is not a malfunction.

Do not disassemble the base machine support parts and

When the machine is operated in dusty areas, refer to the page

9-1 "Maintenance Under Special Environmental Conditions".

Open the engine cover.

Check the NOx sensor, harnesses of exhaust temperature

sensors and dosing module for abnormality.

Securely close the engine cover.

Clean it if necessary.

Aftertreatment Device