27
classic m -
Installation & Servicing
SERVICING
41 CLEANING THE HEAT EXCHANGER
1.
Remove ignition and sensing
electrodes (Frames 47 &48).
2.
Remove the 2 spring clips
securing the collector hood to
the heat exchanger.
3.
Slide the flue spigot upwards
into the flue turret to allow the
collector hood to slide forwards
and remove the collector hood.
4.
Slide the flue spigot downwards
and remove from the flue turret.
5.
Remove the 6 flue baffles
(m5080 only).
6.
Using
a suitable tool as
supplied in the standard B.G.
flue brush kit
clean between the
heat exchanger fins from the
bottom of the heat exchanger.
42 RE-ASSEMBLY
Reassemble the boiler in the following order.
1.
Refit the baffles (m5080 only) ensuring baffles are fully
located in the heat exchanger.
2
. Refit the flue spigot to the flue turret.
3.
Refit the collector hood to the heat exchanger. Ensure the
sealing gasket around the flue outlet on the collector hood
is in place. Renew any damaged or deteriorating gaskets.
4.
Slide the flue spigot downwards and secure the 2 spring
clips. Ensure the clips are located correctly over the inter
panel.
5.
Refit the electrodes (check dimensions, see Frame 47 &
48).
6.
Refit the burner, renewing any damaged or deteriorating
sealing gaskets.
7.
Refit the fan / venturi assembly.
8.
Reconnect the fan electrical lead.
9.
Refit the boiler front and bottom panel.
IMPORTANT.
Ensure the boiler sealing panel is correctly fitted and that
a good seal is made.
10.
Refit the boiler casing.
11.
Turn on the gas supply at the gas service cock.
12.
Reconnect the electrical supply.
Ecl 1631
1
2
3
SER
VICING
Summary of Contents for Classic m3050
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