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Before You Begin
Before you begin, read and understand all safety information found in MDE-4334 Atlas
Start-Up and Service Manual.
CAUTION
To prepare the site and dispenser for the installation, proceed as follows:
Inform the manager.
1
Barricade the unit to be worked on.
2
Remove power to the unit at the breaker panel. Follow OSHA lockout/tagout procedures.
3
Match the parts received in the kits with the Part List.
4
Failure to turn off the unit during kit installation may cause injury or bodily harm from
electrical shock. Ensure that all power to the unit is switched off before opening the door
to the unit and during kit installation.
Following minor hydraulic service that introduces air into the DEF hydraulics, such as
removing the nozzle or inlet pipe, a minimum of 10 gallons must be purged from the
DEF hose. Failure to do so may cause error codes such as 20, 5050, 5047 or 5049 to
occur.
MDE-5568A CFN PLUS and Fuel Truck Controller PLUS nOrCU Retrofit Kit (M09680B167) Installation Instructions • April 2021
A properly grounded Electrostatic Discharge (ESD) wrist strap must be worn
while servicing any electronic devices or components. Failure to use
electrostatic precautions may damage electronic components and void
warranty.
WARNING
IMPORTANT INFORMATION
Before You Begin
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