Digital Acoustics ESBx-110 Especificaciones Pagina 340

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Maintenance and Troubleshooting
ADDvantage-32 PLUS AC to DC Power Converter
7-42
7.10.1 REPLACING THE POWER THYRISTOR MODULE ASSEMBLY (A101-106)
7.10.1.1 Disassembly
1. Remove power from the drive.
2. Remove the ground lead(s) located in the lower left corner or left center of
the back of the drive front panel.
3. Loosen the front panel screws. Using the slotted openings, lift the panel
up and off.
4. Unplug cable connector P1 and move the cable away from the module.
NOTE
All copper to copper bus work connections are assembled with a
thin film of anti-oxidant joint compound (Avtron P/N 905122)
between mating surfaces. We recommend using this during
reassembly to prevent corrosion at all conductive junctions.
DC0540-DC085X Only (Items 5 through 7 below):
5. Remove the lower bolt holding fuse (F1-6) associated with the module to be
replaced to the bus bar. This is located on the left side of modules A101 thru
A103 or on the right side of modules A104 thru A106.
6. Remove the bolt attaching the thyristor module assembly to the side bus bar. This
is found on the upper right side of modules A101-A103 and on the upper left side
of modules A104-A106.
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