Glow-worm Hideaway 40BF - Manual (Page 17)

17 221691B
ACCESS FOR SERVICING Diagram 8.3
ACCESS TO FLUEWAY Diagram 8.4
0908
BAFFLE
TRAY
0930
COMBUSTION
CHAMBER
COVER SECURING
SCREW (4)
NUT
FLUEWAY
CLEANING
DOOR
Diagram 8.1
Diagram 8.2
SECURING THE
THERMOSTAT PHIAL
ISOLATION OF
GAS AND ELECTRICITY
8 Servicing
0907
1870
GAS
SERVICE
COCK
UNION
TURN
OFF
MAINS INLET
CONNECTOR
PULL UPWARD
THERMOSTAT
CAPILLARY
LOCATION
WASHER
PHIAL
POCKET
RETAINING
SPLIT PIN
Servicing must be carried out by a competent person.
Before starting a service, turn off the gas supply at the service
cock, see diagram 8.1 and isolate the boiler from the electrical
supply.
Always test for gas soundness after completing a service or
replacement of parts.
8.1 Boiler Flueways
Pull door forwards at the top to disengage studs and lift to
release from slots, see diagram 7.3.
Lift the plinth front up and forwards to withdraw, see diagram
7.3.
Disconnect the union on the gas service cock, see diagram 8.1.
Remove the mains inlet connector by pulling upwards, see
diagram 8.1.
Remove the retaining split pin on the thermostat phial pocket
then withdraw the phial and capillary, see diagram 8.2.
Remove the four screws retaining the combustion chamber
cover and burner assembly, see diagram 8.3. Withdraw forwards
the complete assembly of cover, control box and burner.
Remove the securing nut to release baffle tray and remove from
combustion chamber, taking care not to damage the insulation
material on the sides.
Remove the self-tapping screws which retain the cleaning door
and lift clear, see diagram 8.4.
Remove flueway baffles, see diagrams 8.5 and 8.6.
Place a sheet of paper in the combustion chamber to catch any
flue debris.
Thoroughly clean boiler flueways and fins with a suitable stiff
brush.
Replace in reverse order, after completing the relevant
instructions in Sections 8.2 and 8.3.
Make sure that the thermostat phial is at the bottom of its pocket
and located by the location washer being behind the retaining
split pin, see diagram 8.2. Make sure that there is clearance
between the thermostat capillary and the boiler.
SELF-
TAPPING
SCREW (4)