Aftertreatment Device; Check And Clean Aftertreatment Device - Hitachi ZW 550-6 Operator's Manual

L. Aftertreatment Device

Check and Clean Aftertreatment Device

--- as required
IMPORTANT:
 Check and clean flammable objects on the area
around the aftertreatment device daily.
 Do not disassemble the machine support parts
and sensors.
f
NOTE: When the machine is operated in dusty areas,
refer to "9-1 Maintenance Under Special Environmental
Conditions".
1. Open the left side cover.
2. Check exhaust pipe (1) and pipe (2) for cracks.
Check the aftertreatment device units for loose or
disconnection.
Check the lagging cover for breaks.
f
NOTE: Do not remove the lagging cover.
3. Check the connectors and harnesses of NOx sensors
(3), temperature sensors (4) and dosing module (5)
for abnormality.
4. Close the side cover.
MAINTENANCE
2
7-104
1
115Z7B-7-104-1
3
115Z7B-7-104-2
4
5