Table of Contents
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Replacing the nozzle
Fig. 9
Checking and adjusting the ignition electrodes
A
3-5
Fig. 10
1. Check ignition electrodes
tion and size accuracy (see diagram), replace if
necessary.
A
B
a
for wear, contamina-
A
Commissioning, inspection, maintenance
1. Remove the nozzle cover with mixer device and
slot it onto the burner casing with the blast tube
connection pointing upwards (service position).
This prevents the formation of bubbles in the blast
tube connection.
2. Remove mixing assembly
connection.
3. Replace nozzle
(counterhold to prevent the
B
blast tube connection from turning); during this
step prevent air bubbles from forming in the blast
tube connection.
Note
For the make and type of nozzle, see standard val-
ues for burner adjustment on page 27.
4. Mount mixing facility
A
■
Position the nozzle in the centre of the sensor
plate and note the distance between the sensor
plate and the nozzle (see page 13).
Accurately position the ignition electrodes in the
■
top centre (12 o'clock position).
b
2. Clearance between mixing system and nozzle:
Check either dim. a or dim. b and adjust if neces-
sary.
from the blast tube
A
:
13
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