Pos.
Item
Pos.
Item
4
Ignition electrode
14
Gas nozzle fixing screw
5
Ignition cable
15
Gas pressure switch impulse tube
6
Combustion head fixing screw
16
Combustion head adjusting rod
7
Ignition electrode combination
17
Combustion head regulating axle
8
Ignition electrode combination fixing screw
18
Combustion head regulating axle fixing screw
9
Regulating pipe locking ring
19
Adjustment ring
10
Support pipe fixing screw
To dismount burner and detach combustion head
1. Open service covers.
2. Detach ignition gas hose from lower end.
3. Detach gas pressure switch impulse tube from lower end.
4. Detach combustion head adjusting rods.
5. Detach ignition cables.
6. Detach fixing screws of combustion head regulating axle and lift out the regulating
axle.
7. Detach fixing screws of combustion head regulating axle and lift up support pipe
with its ignition electrode combination.
8. Detach nozzle fixing screws, and lift out nozzle with its diffuser disc and its
adjustment rings.
9. Unscrew combustion head fixing screws, and draw combustion head out.
Reassemble in reverse order.
6.3 Dismounting and changing burner motor
Cut off electricity from the burner and ensure that the motor has no
voltage.
Fan cross section
A416L ver. 3
1 Motor
2 Fan wheel
3 Fixing sleeve
4 Wedge
5 Fixing screw of fan wheel
6 Base bushing
7 Fixing screw of mounting flange
90 (102)
M4263 2206EN