Specifications

Maintenance and Troubleshooting
ADDvantage-32 PLUS ● AC to DC Power Converter
7-58
7.12 THYRISTOR MODULE COOLING BLOWER REPLACEMENT (550 ADC)
1. Remove power from the unit.
2. Open main drive door.
3. Refer to Figure 7-3. Remove the panel with the circular grill by removing eight
Phillips-head screws. The inlet ring is also attached to this panel.
4. With a long nut driver, remove the four #10-24 self-locking nuts that hold the
blower support and blower to the base.
5. With the blower partially removed, reach under the chassis and disconnect the
power cable connector from J100. The blower can now be removed.
6. Separate the blower support from the blower by removing four M6x12 screws.
7. Reverse the above steps to install the new blower.