Glow-worm 56/3e Back Boiler - Manual (Page 22)

22 221725B
Diagram 8.5
6886
GAS
CONTROL
VALVE
PILOT TUBE NUT
GAS
MANIFOLD
SECURING
SCREWS
THERMOCOUPLE
NUT
8 Servicing
8.5 Lint Arrester
Remove the four securing screws to disengage the two lint
arresters, see diagram 8.6.
Clean the lint arresters as required.
8.6 Main Burner - Injector
Inspect the main burner injector for damage or blockage, clean
or replace as necessary. If replacing ensure the new copper
washer is fitted, see diagram 8.7.
Do not use a wire or sharp instrument to clean the injector hole.
8.7 Flue Blockage Safety Device Assembly
Gain access as relevant part of Section 8.3. Remove any dust
and lint, inspect the pilot for damage. Remove the sensing tube
adapter, to clean, blow through, do not use a wire or sharp
instrument. Inspect the electrode and thermocouple for wear
or damage, clean, or replace as necessary the flue blockage
safety device, see diagram 8.8.
To remove the safety device, disconnect the pilot tube nut and
two securing screws, see diagram 8.9.
Ensure the electrode is in line with the earth post and the spark
gap is as shown in diagram 8.8.
Note: When reassembling the burner assembly the following
points should be observed:
a) Make sure that the lint arresters are engaged in the correct
position on the burner support bracket.
b) DO NOT replace the combustion chamber control/burner
assembly into the back boiler until the boiler flueways servicing
has been carried out.
Diagram 8.6
6191 LINT ARRESTER
SECURING SCREW (4)