Bentone B 30 A2.2, Installation And Maintenance Instruction

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30
Bentone
165 405 16
7.4 Air damper
1. Disconnect the main power and shut off the fuel supply.
2.
Remove the cover on the damper motor.
3.
Detach the solenoid valve cables from the pump.
4.
Remove the intake grille at the air intake.
5. Release the damper motor.
6. Remove the screws (H) securing the damper motor mounting plate.
7. Turn the damper approx. 60°.
8.
Lift up the damper motor.
9. Clean the air damper and air intake, lubricate the damper shaft if
necessary.
10. Refi t the damper motor and mounting plate on the air intake. Make
sure the damper shaft is properly mounted.
11. Refi t the intake grille.
12. Release the button on the damper motor.
13. Switch on the main power and open the fuel supply.
14. Start burner and check/adjust combustion.
!
Before obtaining access to electrical and fuel line components
all supply circuits must be disconnected.
!
When servicing/replacing components that aff ect combustion,
fl ue gas analysis and soot test must be carried out following
installation.
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.
H H