Powermax30 AIR Service Manual 808850 157
6 – Power Supply Component Replacement
Replace the heat exchange coil
Remove the heat exchange coil
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.
c. See Remove the fan on page 155.
2. Push-to-release the copper heat exchange coil from the elbow fitting on the left side of the air filter . (See How to
use push-to-connect fittings on page 133.)
3. Rotate the coil towards you until the top of the coil points towards the bottom of the power supply .
4. Push-to-release the heat exchange coil from the exhaust fitting on the internal compressor .
If you have trouble disconnecting the coil from the internal compressor, try pushing the
coil further into the fitting to straighten and reset it. Then remove it using push-to-release.
5. Use an 11 mm (7/16 inch) wrench to remove the elbow fitting from the left side of the air filter.
If the exhaust fitting on the internal compressor is in good condition, leave it in place.
If the fitting needs to be replaced, use an 11 mm (7/16 inch) wrench to remove it.
Figure 71
Kit number Description
428376 Kit: Heat exchange coil (includes elbow fitting for air filter and exhaust fitting for internal
compressor)
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