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Cleaning the Aftercooler
If you have the optional aftercooler, you need to clean the aftercooler coils
to keep them working efficiently. Cleaning frequency depends on the type
and amount of material you process.
1 Stop the dryer and lockout the main power.
2 Turn off the water flow to the water supply line. Disconnect supply
and return lines.
3 Remove the plastic aftercooler cover.
NOTE: If an optional flow control was added with the aftercooler, remove the compres-
sion fitting from the aftercooler inlet. Loosen the fitting on the flow control, then swing
the copper water supply tube out and away from the aftercooler inlet.
4 Remove the five screws securing the aftercooler in the aftercooler
housing.
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TIP: If the aftercooler (without a flow control) was installed using the recommended 24 in.
(61 cm) of flexible hoses, there is no need to disconnect the hoses from the aftercooler
inlet and outlet.
(continued)
C-3 l Appendix