42
FIG. 6.3
B
FIG.
6.4
6. SERVICING INSTRUCTIONS
The life of individual components vary and they will need
servicing or replacing as and when faults develop.
The fault finding sequence chart in SECTION 7 will help to
locate which component is the cause of any malfunction,
and instructions for removal, inspection and replacement
of the individual parts are given in the following pages.
6.1 REPLACEMENT OF PARTS
6.2 TO GAIN GENERAL ACCESS
All testing and maintenance operations on the boiler
require the control panel to be lowered. This will also
r
equire the removal of the casing.
6
.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. (FI
G
. 6.1);
2. The control rotates on two lateral hinges; the panel
s
tays in a horizontal position, which allows access to
the inner parts of the boiler (FIG. 6.2);
3. Remove the screws “B” from the front panel bottom lip
(F
I
G
. 6.3);
4. Lift the front panel up and forward from the raised screws
at the the top of the casing (FIG. 6.4).
A
FIG. 6.1
FIG.
6.2
To ensure efficient safe 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
a
nd the boiler is cool and suitable protective clothing
is worn.
B
efore and after servicing, a combustion analysis should
be made via the flue sampling point (please refer to
SECTION 3.4 for further details).
After servicing, preliminary electrical system checks must
be carried out to ensure electrical safety (i.e. polarity,
earth continuity, resistance to earth and short circuit).
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