Sterling STT 160 - Manual (Page 30)

5.4. Cleaning the Drying Hop per
Set the re lease switch “Timer” at po si tion:
L Wait un til the blower has stopped.
The run on time of the blower is 10 min utes.
If there is a re turn air cooler in stalled, switch off its cool ant cir cuit.
L Switch off the main switch of the dryer (the sig nal lamp “power” goes off).
In ter rupt the mains sup ply so that the de vice can not be switched on un in -
ten tion ally.
F Clean the dry ing hop per each time you are chang ing the ma te ri als.
Make sure that the dry ing hop per has cooled down suf fi ciently.
Make sure that the dry ing hop per is com pletely empty.
Re move any gran ules re main ing on the ground.
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STT 110 / STT 160
Main te nance 5-7