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PRESYS
Instruments
4.0 - Maintenance
4.1 - Hardware
The indicator maintenance requires that the user has access to the instrument
hardware. The indicator hardware is divided into three main boards: Display Board, CPU
Board and Power supply board. The set of the three boards is attached to the aluminum
case by only one screw on the right side of the front panel. Loosen this screw and pull
the front panel display to remove the instrument from the case.
The display board is located on the front indicator panel. The front panel has four
inner tabs located in the four corners that hold together the CPU Board and the Power
Supply Board. A bolt spacer between the CPU and the Power Supply board is still placed
to give greater rigidity to the set. To open the set follow the instructions below:
i)
Remove the screw that fixes the spacer located at the bottom of the boards.
ii)
Turn the indicator so that the display becomes opposed to the sense of reading.
iii) Release only the tab in the upper right corner of the front panel.
iv) Release the upper board to the right and open the boards as shown in Figure 21.
Fig. 21 - Indicator Hardware
DMY-2030-Light-5S-Energy
Maintenance
Page 29
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