Replacement, Damper Motor Air - Bentone BG 450-2 Installation And Maintenance Instruction

9.5

Replacement, Damper motor air

1. Disconnect the main power and shut off the fuel supply.
!
Before obtaining access to electrical and fuel line components
all supply circuits must be disconnected.
Note the connection position of cables to the damper motor.
2.
Disconnect cables from damper motor.
3.
Loosen screws (G) to the damper motor fi xing plate.
4.
5. Disengage the damper motor and turn it to approx. 70°.
6. Lift up damper motor.
7. Remove the control arm (H) from the motor shaft.
Loosen screws (I) securing the damper motor to the fi xing plate.
8.
Adjust the cams of the new damper motor according to the replaced
motor, see chapter "Setting Damper motor" and fi t the fi xing plate.
9. Fit the control arm on the shaft of the damper motor. It is important
that the screw is perpendicular to the fl at surface of the shaft.
10. Refi t the damper motor and mounting plate, ensuring that the
damper shaft and control arm are correctly connected.
11. Connect the damper motor cable.
12. Switch on the main power and open the fuel supply.
13. Start burner and check/adjust combustion.
G
G
34 Bentone
G
Releasing button
By pressing the button and
snapping it down, the motor
will be released and the
damper can easily be turned.
This function facilitates an
exchange of damper motor.
I
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H
I