
MDE-4334C Atlas Start-up and Service Manual · April 2008
Page 6-27
Accessing the Electronic Components
Electronic and Electrical Components
Accessing the Electronic Components
Always remove AC power from the pump/dispenser before servicing the unit. Failure to
turn off the unit before servicing may result in serious injury or death.
WARNING
To access the electronic components, proceed as follows:
1
Unlock and remove the front panel on the pump/dispenser.
2
Remove the two bolts/screws located over the tabs of the bezel assembly. Lift the bezel
assembly upwards and out to remove.
Note: For A and Q models with front load nozzle, remove the nozzle boot plastic shroud (two
screws) before removing the bezel assembly.
3
Loosen the two screws that secure the display panel, remove them if necessary, and pivot the
display panel down.
Installing the Atlas 9800 Power Supply (M07588A00X)
To install the Atlas 9800 Power Supply (M07588A00X), proceed as follows:
Always remove AC power from the pump/dispenser before servicing the unit. Failure to
turn off the unit before servicing may result in serious injury or death.
WARNING
1
Check the existing power supply. If the existing supply is not a working M07588A00X
assembly, it must be replaced. Refer to
Atlas 9800 Power Supply (M07588A00X)
on
for the correct replacement part number.
2
Ensure that the AC power to the pump/dispenser has been disconnected.
3
Disconnect the AC power cable from the P3 connector. Disconnect the DC cables from the P2
and P1 connectors.
4
Unscrew and remove all screws that hold the power supply. Retain the screws for installing the
new power supply.
5
Remove the power supply. For models with plastic standoffs, once the screws have been
removed, carefully unsnap the power supply from the standoffs and remove it. Remove any
standoffs that may have remained on the power supply and place them back into the plate
where the power supply was mounted.