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STT40 / STT70
Maintenance 5-13
5.6. Cleaning the Drying Hopper
Set the “Timer” release switch to the position.
/ Wait until the blower has stopped.
The blower will continue running for 10 minutes once the dryer is
turned off.
If there is a return air cooler installed, switch off the coolant circuit.
/ Switch off the dryer’s main power switch (the “power” signal
lamp turns off).
Interrupt the main power supply so that the device cannot be
turned on unintentionally.
) Clean the drying hopper each time you change the materials to be
dried.
Make sure that the drying hopper is completely empty and has
cooled down sufficiently.
Remove any granules remaining on the ground.