Interacoustics AT235 - Page 7

Service Manual
AT235
5
Remove the screw with
an Unbrako key 1.5.
Use a flat blade
d screwdriver to carefully open the
lock mechanism holding the wheel in place.
Fig. 9
Fig. 10
Fig
. 11
Once unlocked, the wheel with the pump tube can
be lifted up and off
of the module. It is now ready
for replacement.
NOTICE
The wheel may have a tight fit and
thus require some effort to remove.