Glow-worm Ultimate 30BF - Manual (Page 20)

20 221788B
8 Servicing
8.3 Cleaning Heat Exchanger
Place a sheet of paper in the base of the combustion chamber.
Remove the baffles from the heat exchanger, note, when
replacing them they are marked “TOP”, see diagram 5.6.
Clean the heat exchanger, paying particular regard to the gaps
between the fins, with a suitable stiff brush.
Do not use a brush with metallic bristles.
Remove the paper together with any debris.
8.4 Main Injector
The main injector can be inspected and cleaned as necessary.
If removing for cleaning do not use a wire or sharp instrument
on the hole.
Use a little suitable sealant on the external thread when refitting
to make sure a gas tight seal is made.
8.5 Electrode, Pilot Burner and Pilot Injector
Release the thermocouple by removing the spring clip, pull the
thermocouple down from the pilot assembly, see diagram 8.2.
Inspect and clean pilot burner assembly.
Remove the pilot injector by unscrewing from the pilot burner
assembly, clean by blowing through it.
Note. On refitting and after cleaning the heat exchanger and
main burner make sure the main burner is fitted correctly, that
is, located on the main injector and horizontal, see diagram 8.4.
Diagram 8.4
3815
MAIN
INJECTOR
BURNER