15
Installing and removing the valve drive
Installing the motor and gearbox
Result
The gearbox and motor have been installed.
Adjusting position 1 of the valve
Note:
Always use the alignment tool to realign position 1 of the valve
When is adjusting
necessary?
After installing a new motherboard
Process
Figure
1. Installing the subas-
sembly
Fig. 14
Slotted disk (A), photoelec-
tric sensor (B), gearbox (C),
and motor (D)
2. Rotate the drive axle
with setup marking
(B) and the slotted
disk with adjustment
opening (A)
upwards for
position 1
(home position)
Fig. 15
Slotted disk
3. Function test of
the photoelectric
sensor, prior to
installation
Note:
If there is reason to believe that the
photoelectric sensor is not focusing
properly, use a matte black felt pen
to make a 1 cm wide marking
on the inside of the front panel,
at the height of the perforated disk
A
B
C
D
A
B