21
Unscrew the three screws from the left
(white) protective housing and remove
the protective housing.
Pull both contacts for the housing fan
from the flat fan.
Hold the drive belt with your thumb
and index finger and turn it.
If you can turn the drive belt more than
90°, re-adjust the tension of the drive
belt as follows:
Loosen the safety screw.
Using the adjusting screw, adjust the
tension of the drive belt so that you can
turn the drive belt with your thumb and
index finger to right around 90°.
Insert the contacts back into the
housing fan and attach the housing
using the three screws in order to be
able to operate LUNA again.
Maintenance