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2915847
26
GB
Maintenance
Gas leaks
Make sure that there are no gas leaks on the pipework between the
gas meter and the burner.
Servomotor
Disengage the cam from servomotor and turn it backward and for-
ward by hand to make sure it is free moving. Now engage cam
again.
Gas filter
Change the gas filter when it is dirty.
Flame inspection window
Clean the flame inspection window (Fig. 30).
6.3
Opening the burner
Remove screw 1) and withdraw cover 2);
disengage the swivel coupling 3) from the graduated sector 4);
remove screw 5), the split pin 9) and pull the burner back by
about 4” on the slide bars 6);
disconnect the probe and electrode leads and then pull the
burner fully back;
turn the burner as shown in the figure and fit the split pin 9)
into one of the slide bar holes so that the burner remains in
position;
now extract the gas distributor 7) after having removed the
screw 8) and disconnecting the pilot gas line.
6.4
Closing the burner
Remove the split pin 9) and push the burner until it is about 4”
from the sleeve;
re-connect the leads and slide in the burner until it comes to a
stop;
refit screw 5), the split pin 9) and pull the probe and electrode
leads gently out until they are slightly stretched;
re-couple the swivel coupling 3) to the graduated sector 4).
Connect the pilot gas line.
Fig. 30
D484
DANGER
Disconnect the electrical supply from the burner by
means of the main system switch.
DANGER
Close the fuel interception tap.
Wait for the components in contact with heat sourc-
es to cool down completely.
After carrying out maintenance, cleaning or check-
ing operations, reassemble the cover and all the
safety and protection devices of the burner.
Fig. 31
D2268
Содержание C9541000
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Страница 30: ...2915847 28 GB Appendix Spare parts A Appendix Spare parts...
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