Flame tube mounting dimensions
dreizler A 3001 E - 18.12.2015 | A 2010 - 2.15 | EN - 18.05.2015
82
25 Flame tube mounting dimensions
WARNING!
The burner head can reach temperatures of at least 100°C in continuous operation!
Possible injury hazard.
The burner head should be left to cool down for at least 5 minutes with opened burner housing before
disassembly.
WARNING!
The burner housing on operating pressure equipment (steam boilers) may reach surface tempera-
tures > of up to 80°C.
Possible injury hazard.
Only handle burner housing and burner head with protective gloves.
Attach warning sign.
In burner models
®
marathon M 2001 and higher, the flame tubes are screwed onto the burner housing. If
a flame tube is replaced, new bore holes must be drilled.
Replacing the flame tube
Attach and align new flame tube. Comply with mounting dimensions in the following tables, and with
the positioning of the combustion chamber pressure reduction (Fig. 25-2 "Front view burner head with
flame tube").
Observe the mounting dimensions noted on the decal on the front panel of the burner.
Drill new bore holes on the flame tube and screw onto the burner head.
Fig. 25-1 Sectional view burner head and flame tube
1
Burner head screw
2
Model M...
3
Model M...ARZ
4
P
F
Measuring at bottom
5
P
L
Air pressure
6
P
F
Combustion chamber pressure
7
Burner head gasket
Fig. 25-2 Front view burner head
with flame tube
1
Notch aligned with
the centre of the
bar
2
P
F
Combustion
chamber pressure
reduction below
set to 5.00h
