Cleaning the Aftercooler Coils
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.
NOTE: If an optional flow control was added with the aftercooler, remove the compression
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.
3 Remove the two (2) nuts securing the aftercooler in the housing.
✒
TIP: If the aftercooler (without a flow control) was installed using the recommended 24
inches {61 cm} of flexible hoses, there is no need to disconnect the hoses from the
aftercooler inlet and outlet.
4 Remove the aftercooler assembly from the aftercooler housing.
5 Clean the assembly using a mild soap and water. Let the assembly dry thor-
oughly before installation.
6 Inspect the condition of the gasket. If it is damaged, replace the gasket.
7 Reassemble by repeating the steps in reverse order.
8 Connect the water supply line to the inlet. If a manual shut off valve is
used, it should be mounted on the inlet line as well.
9 Connect the outlet of the aftercooler to the inlet of the flow control valve
using the pre-shaped copper tubing and compression fittings provided.
✐
5-14 l Ma int en an ce
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