Hypertherm Powermax30 AIR Service Manual - Manual (Page 155)

Powermax30 AIR Service Manual 808850 155
6 – Power Supply Component Replacement
Replace the fan
Remove the fan
1. Complete the following procedures:
a. Set the power switch to OFF (O), and disconnect the power cord from the power source.
b. See Remove the power supply cover on page 98.
2. Detach the connector from J5 on the power
board . Lift the top edge of the component barrier
to see the connector.
3. Remove the fan’s red-and-black wires from the
notch at the top of the center panel.
4. Carefully pull the fan plenum straight off the fan
casing to release the 4 clips at each corner of the
plenum. See Figure 69.
 If necessary, use needlenose pliers to compress and release the plenum’s top 2 corner
clips first before working the bottom 2 clips free from the fan casing.
5. Remove the retaining screw from each corner of the fan. Slide the fan out of the power supply.
Figure 69
Kit number Description
428236 Kit: Fan assembly with plenum
CAUTION!
Be careful not to apply too much pressure to any of the clips as you detach the plenum from the fan.
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