Valor 474 Valentia Installation And Owner's Manual page 20

Important Notes: TURN OFF THE GAS SUPPLY BEFORE COMMENCING ANY
SERVICING, ALWAYS TEST FOR GAS SOUNDNESS AFTER SERVICING OR
EXCHANGING ANY COMPONENT.
It is recommended that the appliance is serviced at least once a year.
9.1. REMOVE OUTER CASE
(a) Remove the decorative rail from the finials.
(b) Remove the door mask by first lifting upwards to clear the retaining pins and
then swinging it out from the fire bottom first.
(c) Pull off the control knob.
(d) Remove the four screws, two either side of the fire securing the outer case.
(e) Lift the outer case away from the fire and put in a safe place. Recover the
spindle washer.
9.2. GAS TAP ASSEMBLY
Remove outer case (1. above) and after isolating gas supply disconnect the inlet
elbow.
(a) Removal: Withdraw the spring clip securing the extension spindle assembly to
the gas tap spindle and remove the extension spindle assembly. Undo the union nuts
on the tap outlet and remove pilot feed pipe. Disconnect the thermocouple at the gas
tap end and the leads from the spark generator. Remove the two screws securing the
gas tap to the support bracket on the fire. Manoeuver the gas tap complete with inlet
pipe away from the fire after disconnecting the inlet pipe clamp.
(b) Replacement: Ensure that the new gas tap is in the OFF position by turning the
spindle clockwise as far as possible. Peel off the tape on the pilot outlet and ensure
that the pilot filter is retained in the port. Refit the tap using the reverse
procedure to its removal. Refit the spindle assembly.
NOTE: With the tap in the OFF position, the flat of the spindle extension faces
towards the right of the fire. Check that the tap functions correctly. Replace the outer
case.
9.3. BURNER ASSEMBLY
Remove the outer case (1. above). Isolate the fire from gas and disconnect the inlet
elbow. Remove the glass door (10 wingnuts) and coal bed and put in a safe place.
Remove the wingnut on the left side of the firebox, 6 screws holding the burner
mounting plate to the right side of the firebox and 2 screws securing the gas tap to its
mounting bracket. Disconnect the spindle extension and the leads from the spark
generator, remove the pipe clamp securing the inlet pipe. Remove the burner, pilot
and gas tap assembly by sliding the unit to the right and out of the firebox.
©
GDC Group Ltd. 2014
INSTALLER GUIDE
9. SERVICING
Page 20