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10. SERVICING INSTRUCTIONS
To ensure efficient saf e operation, it is recommended that the
boiler is serviced annually by a competent person.
Before starting any servicing work, ensure both the gas and
electrical supplies to the boiler are isolated and the boiler is
cool.
Before and after ser vicing, a comb ustion analysis should be
made via the flue sampling point (please ref er to S
further details).
After servicing, preliminary electrical system checks must be car-
ried out to ensure electr ical safety (i.e. polarity, earth continuity,
resistance to earth and short circuit).
10.1
Replacement of Parts
The life of individual components v ary and they will need ser vic-
ing or replacing as and when f aults develop.
The fault finding sequence char t in S
which component is the cause of an y malfunction, and instr uc-
tions for removal, inspection and replacement of the individual
parts are given in the following pages.
10.2
To Gain General Access
All testing and maintenance oper ations on the boiler require the
control panel to be lo wered. This will also require the remo val of
the casing.
10.2.1 Removing the front panel
1. Loosen the fastening screws "A" of the control panel located
on the lower part of the panel itself. (F
F
. 10.1
IG
F
. 10.2
IG
3.4 for
ECTION
7 will help to locate
ECTION
. 10.1);
IG
A
F
. 10.3
IG
2. The control panel moves downward and when pulled forward,
rotates on two lateral hinges; the panel stays in a semi-hor i-
zontal position, which allo ws access to the inner par ts of the
boiler (F
. 10.2);
IG
3. In order to increase the manoeuvr ing space, it is possib le to
raise the control panel and rotate it to a fully hor izontal posi-
tion (F
. 10.3);
IG
4. Remove the screws "B" from the front panel bottom lip
(F
. 10.4);
IG
5. Lift the front panel up and forward from the raised screws at the
the top of the casing (F
F
. 10.4
IG
32
. 10.5).
IG
B
F
IG
. 10.5
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