Case CX490D Operator's Manual page 139

Crawler excavator
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MANUAL SCR CLEANING ONLY function
The purpose of this function is to avoid high temperature
exhaust in specific operating conditions:
• Operation inside building.
• Operation underground.
• Operation near combustibles or explosives.
To enable the function, set MANUAL SCR CLEANING
ONLY to ON in the SCR CONFIGURATION tab of the user
information mode.
Resuming the operating mode of the display, the SCR
CLEANING icon appears green and slashed.
After around 35 h of operation with this function active,
the machine control system will eventually request MAN-
UAL SCR CLEANING. Make sure to move the machine
to a well ventilated area, and carry out the MANUAL SCR
CLEANING process.
As the operation in special conditions is ended, make sure
to disable the function setting MANUAL SCR CLEANING
ONLY to OFF in the SCR CONFIGURATION tab of the
user information mode.
3 - CONTROLS AND INSTRUMENTS
3-87
11
SMIL14CEX4935AA
12
SMIL14CEX2537AA
13
SMIL16CEX0706AA

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