20
5584 109 - 10
Vitocrossal 200 CM2 186 to 311 Service
Steps – Commissioning, Inspection and Maintenance
(continued)
Checking the ignition and ionization electrodes
Check the ignition electrodes and the ionization electrode
for correct gap towards the cylinder burner assembly and
damage (replace if required).
See burner component Installation Instructions.
Ignition electrodes
Ionization electrode
Closing the boiler door
Note:
Tighten the boiler door screws evenly across with
a torque of approximately 13 lb.ft (18 Nm).
Cleaning the burner
1. Loosen the retaining clamp and disconnect the
combustion air flex hose
A
.
2. Visually inspect the combustion air hose
A
and
venturi mixing pipe
B
.
3. If cleaning is required remove the venturi
B
(refer
to page 35 for burner fan removal procedures) and
clean the venturi pipe, fan casing and impeller with
low pressure compressed air.
4. To clean the burner, vacuum the inside and outside of
the burner tube
C
(refer to page 39 for burner tube
removal
procedures).
IMPORTANT
Use a soft upholstery brush when cleaning the outside of
the burner tube to prevent damage.
CAUTION
Working with compressed air may lead to serious injury.
Never direct the air jet at yourself or others.
Always wear appropriate personal protective equipment
and clothing.
Commissioning, Inspection and Maintenance