Technical data

8. Service Tasks  DBW 2010 / 2012 / 2020 / 2022 / 300 / 350 
802 
8.5.1 Opening and closing of the burner head to 
the side 
DANGER 
The induction bobbin works with high voltage. The cable 
bunch sockets must be removed from the vehicle before 
opening the burner head in order to avert a possible 
death danger. 
Install the socket on the vehicle after you have closed the 
burner head. 
WARNING 
The maintenance of the heating device is easy. You can 
have access to the following elements if you open the 
burner head to the side. 
-  The fuel pump and vaporizer nozzle 
- The magnetic valve 
-  The induction bobbin 
-  The ignition electrodes 
-  The flame regulator 
-  The combustion chamber 
-  The pre-heating of the nozzle block (if any) 
-  Pay attention that the cable jackets of DBW 
2010/2012 are placed correctly. 
It may be necessary to remove the electric cables in 
order to have an appropriate opening angle. 
Opening 
1.  Remove the electric cables if necessary. 
2.  Loosen the nuts (3, Figure 801) until the bolts (1) can 
be opened sideward. 
3.  Move the bolts (1) to the sides. 
4.  Open the burner head (4) to the side. 
Closing 
1.  Close the burner head (4, Figure 801) and bring to 
the installed status. 
2.  Turn the bolts (1) toward inside and tighten the nuts 
(3) with the hand to prevent coercion. 
3.  Tighten the nuts with (3) 
-  5.0 Nm + 1 Nm at DBW 2010 / 2012, and 
-  8.0 Nm ± 10 % at DBW 2020 / 2022 / 300 / 350 
4.  Re-install the electric cables if necessary. 
WARNING 
Pay attention that the electric cables will be connected 
with the correct colors. 
1 Bolt (2) 
2 Cotter  
3 Nut (2) 
4 Burner head 
Figure 801  Opening and closing of the burner head to the side 
WARNING 
The cotter ma
y
 be at the 
o
pp
osite side de
p
endin
g
 on
the o
p
enin
g
 direction of the 
burner head.










