Glow-worm 56/3e Back Boiler - Manual (Page 23)

23 221725B
8 Servicing
Diagram 8.8
6301
EARTH
POST
FRONT
VIEW
EARTH
POST
ELECTRODE
TOP VIEW
SPARK GAP
3 +1 or -0.5
THERMOCOUPLE
Diagram 8.7
6834
COPPER
WASHER
MAIN BURNER
INJECTOR
8.8 Ignition Lead
Inspect the ignition lead for wear or damage, clean or replace as
necessary.
8.9 Back Boiler Flueways
Remove the spigot duct, see diagram 8.10.
Remove the draught diverter plate by slackening the two side
securing screws and removing the rear securing screw, see
diagram 8.10.
Lift out the flueway baffles, see diagram 8.11.
Place a sheet of paper in the base of the combustion chamber.
Clean the boiler flueways with a suitable stiff brush.
To make sure that the flueways are clean, view with the aid of
a mirror or reflector.
Remove the paper and debris.
When refitting make sure that the baffles are correctly seated in
the back and middle flueways, see diagram 8.11.
NOTE: If the heat exchanger has been turned the baffles must
still be fitted into the back and middle flueways.
Refit the draught diverter plate.
Refit the control/burner assembly.
Diagram 8.9
6207
FLUE
BLOCKAGE
SAFETY
DEVICE
SECURING
SCREW (2) PILOT TUBE
NUT
Diagram 8.11
7195
FLUEWAY
BAFFLES
HEAT
EXCHANGER
BACK
FLUEWAY
Diagram 8.10
6835
SECURING
SCREW (3)
DRAUGHT
DIVERTER
ASSEMBLY
DRAUGHT
DIVERTER
PLATE
SECURING
SCREW (2)
SPIGOT DUCT
MIDDLE
FLUEWAY