23
Classic LX, RS -
Installation
1.
Refer to Frame 36.
2.
Remove the screw retaining the front of the burner support
bracket to the combustion chamber.
3.
Remove the M5 pozi screw and washer, situated at the left
hand bottom rear of the burner. Pull the burner downwards to
disengage the retention tab and remove the burner.
4.
At this stage the main burner injector can be removed,
checked, cleaned or replaced as required. Ensure that an
approved jointing compound is used sparingly.
5.
Fit the new burner, ensuring that the retention tab is correctly
located in the air box slot.
6.
Refit the M5 retaining screw and washer.
7.
Refit the front burner support bracket.
8.
Refit the boiler casing.
9.
Check the burner for cross-lighting and flame stability.
SERVICING
1.
Refer to Frame 36.
2.
Remove the burner and air box assembly.
Refer to Frame 31.
3.
Remove the electrode retaining nut.
4.
Remove the pilot shield and electrode.
5.
Unscrew the central pilot fixing screw. Lift the
pilot clear of the thermocouple and pilot
injector. Refer to Frame 39.
6.
Refit the new thermocouple and reassemble in
reverse order, ensuring that no sharp bends are
used on the thermocouple and that the pilot
shield is refitted.
7.
Replace the boiler casing.
8.
Check the operation of the thermocouple.
SER
VICING
42 OVERHEAT THERMOSTAT REPLACEMENT
1.
Refer to Frame 36.
2.
Slacken the screw at the thermostat pocket and withdraw
the phial from the pocket.
3.
Unclip the capillary from the back panel.
4.
Remove the control box fixing screw and pull the control
box forward and downward to disengage.
5.
Remove the thermostat backnut.
6.
Remove the 2 Eco leads.
7.
Fit the new thermostat (lead polarity immaterial), ensuring
that the alignment peg on the thermostat sits in the small
hole adjacent to the main fixing hole, and re-assemble in
reverse order.
8.
Replace the boiler casing.
9.
Check the operation of the boiler.
45 MAIN BURNER AND MAIN BURNER INJECTOR REPLACEMENT
1.
Refer to Frame 36.
2.
Remove the control box fixing
screw and pull the control
box forward and downward to
disengage.
3.
Remove the electrode lead
from the piezo unit.
4.
Remove burner and air box
assembly.
Refer to Frame 31.
5.
Remove the electrode
retaining nut.
6.
Remove the pilot shield.
7.
Remove the spark electrode
and integral lead.
8.
Fit the new electrode and lead
in reverse order, taking care to
replace the pilot shield.
9.
Check the spark gap. Refer
to Frame 35.
10.
Refit the burner and control
box.
11.
Replace the boiler casing.
12.
Check the pilot ignition.
44 THERMOCOUPLE REPLACEMENT
43 SPARK ELECTRODE/LEAD REPLACEMENT
Summary of Contents for Classic LX RS 230
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