Glow-worm 56/3e Back Boiler - Manual (Page 21)

21 221725B
8 Servicing
Diagram 8.2
7860
CONTROL BOX
GAS
CONTROL
VALVE
COMBUSTION
CHAMBER
GAS SERVICE
COCK
MAINS
ELECTRICAL
PLUG
COMBUSTION CHAMBER
SECURING SCREWS (4)
COMBUSTION
CHAMBER
FRONT COVER
UNION
BURNER SECURING
SCREWS (3)
Diagram 8.4
7071
Diagram 8.3
7098
RETAINING
LIP
CONTROL
BOX
SLOT
RETAINING LIP
GAS CONTROL VALVE
GAS CONTROL
COCK
RETAINING PIN
8.4 Burner
Disconnect the pilot tube nut and the thermocouple nut from the
gas control valve, see diagram 8.5.
Remove the screws which locate the gas manifold to burner,
see diagram 8.5.
The gas control valve can now be lifted clear of the burner.
Clean the burner as necessary, do not use a brush with metallic
bristles.