Attach the left- and right-hand
cover plates using self-tapping
screws
Push the actuator onto the
pneumatic rod and fasten in
position
Label the cables for the actuators
using the stickers provided
Upper actuator = primary air
Lower actuator = secondary air
Push on the cable cover and fix in
position using self-tapping screws
Fit the induced draught fan on the
rear side of the boiler as shown
Caution: Do not overstress the
flange
Attach the left- and right-hand cover
plates using self-tapping screws
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