0020107233_00 - 06/11 - Glow-worm
MAINTENANCE
- 40 -
For access, refer to section 13.1.
Refer to diagram 13.6.
Remove the igniter unit as described in section 13.3 to
improve accessibility.
Remove the securing clip from the heat exchanger adapter,
then disconnect the adapter and exible hose.
Lift the siphon adapter and hose out of the condensate trap
and siphonic drain, do not disconnect the hose.
Disconnect the drain connection.
Slacken to disengage but do not remove the two securing
screws.
The condense trap will contain water, lift taking care not to
spill the water.
After replacement and before tting the adapter ll the trap
with water.
Remove the condense trap as previously described.
Remove the oat to clean it.
Remove any solids found.
Flush water through the trap to remove any remaining solids.
Check for any debris in the outlet hose of the condensate
drain and clean as necessary.
Refer to Manual Handling section.
For access, refer to section 13.1.
Refer to section 11.3 for removal of the fan, gas valve and
burner assembly.
Drain the boiler.
Remove the securing clip from the heat exchanger adapter
then disconnect the adapter and exible hose.
Undo the two nuts of the ow and return pipes from the heat
exchanger.
Move the hoses away from the heat exchanger.
Loosen the three heat exchanger securing screws and clamps
(two at the top and one at the bottom) to remove the heat
exchanger, see diagram 13.8.
There will be water in the heat exchanger.
Remove condense pipe connector from bottom of heat
exchanger.
Carefully ease heat exchanger out.
13522
Diagram 13.6
13570
13544
Diagram 13.7
Diagram 13.8
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