SERVICING
22
Mexico Slimline CF440 -
Installation & Servicing
28 SCHEDULE
29 BOILER CASING REMOVAL
Thermostat phial
Thermostat pocket
Phial retaining
clip
Split pin
MEX 729
e.
Check that the flue is unobstructed and that the flue
system, including the flue cleanout cover, is sealed
correctly.
f.
If the appliance has been installed in a compartment,
check that the ventilation areas are clear.
The servicing procedures are covered more fully in Frames 29
to 34 and MUST be carried out in sequence.
WARNING.
Always turn OFF the gas supply at the gas service
cock and switch OFF and DISCONNECT the electrical supply
to the appliance
BEFORE SERVICING.
IMPORTANT.
After completing the servicing or exchange of
components always test for gas soundness and carry out
functional checks as appropriate and test for spillage.
To ensure the continued safe and efficient operation of the
appliance, it is recommended that it is checked at regular
intervals and serviced as necessary. The frequency of
servicing will depend upon the installation condition and
usage but should be carried out at least annually .
It is the law that any service work must be carried out by a
CORGI registered installer. In IE servicing work must be
carried out by a Competent Person.
a.
Light the boiler and carry out a pre-service check, noting
any operational faults.
b.
Clean the main burner.
c.
Clean the heat exchanger.
d.
Clean the main injectors.
1.
Undo the 2 screws and lift off the lower front panel.
2.
Remove 2 screws and lift off the grille assembly.
3.
Disconnect the in-line connector on the PCB lead.
4.
Remove the Burner On neon cable from the back of the
control panel.
5.
Unplug the in-line connector to the TTB thermostat.
6.
Remove the 2 screws securing the
control panel and disengage the panel
by lowering and pulling it forward.
7.
Undo the 2 screws securing the PCB box
to the side panels and carefully rest it on
the top of the gas valve.
8.
Remove the thermostat phial from the
pocket, as shown.
9.
If the boiler is not fitted under a work top,
access for flue cleaning will be improved
by removing the top panel.
SER
VICING
200946-1.p65
3/9/2004, 3:30 PM
22
