Bentone B 70i-3R FAME J, Assembly, Installation And Maintenance Instructions

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24 Bentone
6.2 Air dampers
1. Switch off the main power supply and disconnect the Euro plugs from
the burner.
2. Loosen the nuts (H) and pull out the fan housing on the guides from the
burner fl ange.
3. Remove the air intake grid.
4. Loosen the screws (M) holding the damper motor and turn the damper
motor so that the control arm comes loose from the damper.
5. Lift and remove the damper motor with fi xing plate.
6. Loosen the screws (N) holding the fi xing plate.
7. Lift out the air damper.
8. Clean air damper (O) and intake. Lubricate damper shaft, bushing and
control arm if necessary.
9. Refi t the air damper.
10. Refi t the fi xing plate screws (N).
11. Fit the damper motor with fi xing plate and control arm.
12. Refi t the damper motor’s mounting screws (M) – but do not tighten
them!
13. Adjust the neutral position by moving the damper motor back and forth
in the adjustment groove. Lock the damper motor with the screws (M)
in position where the damper is almost in place but with still a small
gap against the fan housing.
14. Refi t the air intake grille.
15. Slide in the burner and tighten the nuts (H).
16. Refi t the Euro plugs and switch on the main power supply.
17. Start burner and check/adjust combustion.
!
Before obtaining access to terminals,
all supply circuits must be disconnected.
W
!
When servicing/replacing components that affect combustion,
fl ue gas analysis and soot test must be carried out following installation.
M
N