Servomotor - Riello RLS 70 Installation Instruction

4.15 Servomotor

D2594
Key
1 Servomotor
2 Graduated sector for gas butterfly valve
3 Index for graduated sector 2
4 Adjustable profile cam
5 Adjustment screws for cam starting profile
6 Adjustment fixing screws
7 Adjustment screws for cam and profile
The servomotor gives simultaneous regulation of the air damper
through the variable cam profile 4) (Fig. 30) and the gas butterfly
valve.
It rotates by 130° in approx. 35 s.
The factory settings must not be changed for the first firing, just
check that they comply with the details below.
To open the servomotor, remove the screws and pull the cover out-
ward, (Fig. 31).
6046
Installation
Fig. 30
D2277
Fig. 31
In the Fig. 32 and Fig. 33 shows how the servomotor is released to
manually check there is no binding though its motion.
Don't release the button indicated in this figure: the
syncronization of the cams made in factory would
be changed.
WARNING
NO
20
YES
D2585
D2277
Fig. 32
Fig. 33