26
87 kW
F
B
A
E
D
C
Fig. 23
115 to 311 kW
F
E
A
B
D
C
Fig. 24
1.
Disconnect the connecting cables, release the
clamps and disconnect the control cables.
2.
Undo fitting
C
on gas supply pipe
D
.
3.
Undo fan
A
. Remove Venturi mixing pipe
E
, gas
train
B
and gas supply pipe
D
.
4.
Pull connecting cables "100" and "100A" from
fan
A
. Remove fan
A
.
Note
Ensure that the gasket between the fan housing
and the boiler door is correctly seated.
5.
Clean the fan housing and impeller carefully with
compressed air.
6.
If necessary, vacuum the inside of burner gauze
assembly
F
and blow out with compressed air if
required.
Fitting the burner
75 and 87 kW
F
B
A
E
D
C
Fig. 25
115 to 311 kW
E
A
B
D
C
Fig. 26
Commissioning, inspection, maintenance
Cleaning the burner
5831036