Glow-worm BBU 45/4 - Manual (Page 23)

23 2000225023C
Diagram 8.2
9586
CONTROL BOX
GAS
CONTROL
VALVE
COMBUSTION
CHAMBER
GAS SERVICE
COCK
MAINS
ELECTRICAL
PLUG
FLOOR
PROTECTION
PLATE
GAS
MANIFOLD
SECURING
SCREW
COMBUSTION
CHAMBER
FRONT COVER
BURNER SECURING
SCREWS (3)
COMBUSTION
CHAMBER SECURING
SCREWS (4)
8.4 Controls Assembly and Burner.
Disconnect the union at the gas service cock, see diagram 8.2.
Disconnect the mains electrical plug from the control box, see
diagram 8.2.
Remove the thermistor phial from the phial pocket taking care
not to damage the cable, see diagram 5.4.
Remove the four combustion chamber securing screws.
Remove the gas manifold securing screw and slide the control/
burner assembly forwards to remove, see diagram 8.2.
8.5 Burner
Disconnect the pilot tube nut from the gas control valve, see
diagram 8.3.
Disconnect the ignition lead at the electrode and the sensing
lead at the sensor, see diagram 8.6.
Remove the screws which locate the gas manifold to burner,
see diagram 8.3.
The control box and gas control valve can now be lifted clear of
the burner.
Clean the burner as necessary, do not use a brush with metallic
bristles.
8.6 Lint Arrester
Remove the four securing screws to disengage the two lint
arresters, see diagram 8.4.
Clean the lint arresters as required.
8 Servicing