77
GB
Air servo-motor regulation
The air damper is activated by an electric servo-control. The positions of the damper are determined via the cams,
with reference to the scale on the relevant disc.
The cams are manoeuvred by means of the supplied spanner: they are clutched and self-locked.
The air damper servo-motor must be of the type indicated below.
( Servo-motor in the figure in total closure status)
CAM I 2nd stage opening regulation
CAM II (value 0)
CAM III 1st stage opening regulation
CAM IV (value 0)
CAM IV
CAM III
CAM II
CAM I
Graduated scale
Summary of Contents for LMB LO 300 2ST
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