Replacement of Parts - Page 11
6.1.
PIEZO UNIT
It will NOT be necessary to remove the outer case.
a.
Slide out the bottom cover.
b.
Disengage the electrode lead from the piezo unit.
c.
Remove or loosen and pull aside the spark button
retainer, taking care not to lose the shakeproof washer.
d.
Pull off the button and unscrew (anti-clockwise) the
piezo from its housing.
NOTE: When refitting the bottom cover, ensure the
temperature selector spindle is aligned with the selector.
Push the bottom cover and with slight adjustment, the
selector will positively locate on the spindle.
Fig. 17
6.2.
GENERAL ACCESS/MAIN BURNER
a.
Turn OFF the gas and water supplies at the service
cocks.
b.
Slide out the bottom cover.
c.
Remove the 3 fixing screws and pull off the outer case.
Fig. 18
d.
Remove 4 fixing screws from the burner assembly (2
each side).
e.
Remove 2 screws securing the front to the heating unit.
f.
Pull the burner assembly slightly forwards to clear the
injectors, then pull apart and withdraw taking care not
to snag the pilot assembly.
NOTE: If required, the burner assembly can be dismantled
and the burner bars replaced individually. On re-assembly
ensure that the burner inlets locate in the 14 holes.
NOTE: On re-assembly take care not to snag the pilot
assembly. Ensure the front face of the assembly has located
on the two studs on the heating unit. Re-fit the bottom cover
as outlined in section 6.1.
Fig. 19
