Willis WST12MC16S Service Manual page 55

Removal Procedure
3. Opening and shuttingfront panel
Pull down horizontal blade
1
by pulling forward.
Remove horizontal blade by
2
pulling forward.
Hook a finger onto the
3
projection part provided
on the both sides of the
unit's panel and open
up the panel to the
position higher than it
will stop.
Remove the front panel
4
from the unit.
Rotary shaft
Left
Horizontal blade
Right
Rotary shaft
Support the front panel by one
hand, while remove the rotation
axis at the upper center by the
other hand.
And pull out the front panel
forward to remove.
Left and right filters are
interchangeable.
To re-install, insert air filter
along the guide.
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