Technical data

9.The repair DBW 2010 / 2012 / 2020 / 2022 / 300 / 350
916
9.2.10 The replacement of the high pressure
nozzle
9.2.10.1 Dismounting
1. Open the burner head sideward (refer to 8.5.1).
2. Remove the high pressure nozzle (11, Figure 905)
by turning it.
3. Apply the measures pertaining to the elements in
dismounted status (refer to 9.1.1).
9.2.10.2 Mounting
1. Screw the high pressure nozzle (11, Figure 905)
and tighten it with 20 Nm.
2. Turn the burner head toward inside (refer to
8.5.1).
9.2.11 The replacement of the pre-heating of the
nozzle block
9.2.11.1 Dismounting
1. Open the burner head to the side (refer to 8.5.1)
2. Remove and take off the pliers (3, Figure 905).
3. Cut off the electrical connection.
4. Remove and take off the heating cartridge (2) from
the nozzle block (15) to the side.
5. Apply the measures pertaining to the elements in
dismounted status (refer to 9.1.1).
9.2.11.2 Mounting
1. Install the electrical connection.
2. Install the heating cartridge (2, Figure 905) on the
nozzle block (15) and secure it with pliers.
3. Turn the burner head toward inside (refer to 8.5.1).
9.2.12 The replacement of the induction bobbin
9.2.12.1 Dismounting
1. Open the burner head to the side (refer to 8.5.1).
2. Take off the socket from the electrodes.
3. Take off the bolts (5) from the induction bobbin (6)
and remove the induction bobbin.
4. Cut off the electrical connections.
5. Apply the measures pertaining to the elements in
dismounted status (refer to 9.1.1).
9.2.12.2 Mounting
1. Make sure that the electrical connections are sound.
2. Bring the induction bobbin (6, Figure 904) in the
assembly position and fixate it with the bolts (5).
3. Tighten the bolts with 0.8 Nm.
4. Take the ignition cable (4) in the jacket to the
induction bobbin (6).
5. Install the ignition cable (4) on the ignition electrodes
(9) and secure it with pliers (8).
6. Turn the burner head toward inside (refer to 8.5.1).
9.2.13 The replacement of the flame regulator
9.2.13.1 Dismounting
1. Open the burner head to the side (refer to 8.5.1).
2. Take off the electrical connection of the ignition
regulator (10, Figure 905).
3. Remove the bolt (14) and flame regulator (10) or take
off the flame regulator (10a) from the socket.
4. Apply the measures pertaining to the elements in
dismounted status (refer to 9.1.1).
9.2.13.2 Mounting
1. Get the flame regulator (10, Figure 905) in the
assembly position and fixate it with the bolt (14) or
install the flame regulator (10a) in its socket.
2. Tighten the bolts with 1.3 Nm.
3. Install the electrical connection.
4. Turn the burner head toward inside (refer to 8.5.1).
9.2.14 The replacement of the ignition
electrodes
9.2.14.1 Dismountin
1. Open the burner head to the side (refer to 8.5.1).
2. Remove the bolt (8, Figure 905).
3. Take off and remove the washer (7) and clamp (6).
4. Remove the segment (13) if necessary and take off
the disc (12).
5. Pull back the insulation jackets on the ignition cable if
necessary.
6. Take off and remove the pliers (5) from the ignition
electrodes (9).
7. Remove the ignition electrodes (9).
8. Apply the measures pertaining to the elements in
dismounted status (refer to 9.1.1).
9.2.14.2 Mounting
1. Install the disc (12, Figure 905) and secure it with the
segment (13) if necessary.
2. Put the ignition electrodes (9) through the disc (12),
align then and fixate them with the clamp (6), washer
(7) and bolt (8).
3. Tighten the bolts (8) with 1.7 Nm.
4. Install the ignition cable (4) and secure it with the
pliers (5).
5. Remove the insulation jackets on the ignition cable if
necessary.
6. Turn the burner head toward inside (refer to 8.5.1).