Doc No. 700070 Page 52 of 56
f: Release three push clips (32) from controller fixing holes.
g: Remove controller (3)
h: Replace in reverse order.
7.3 Removal of Gas Valve (4).
a: Remove burner assembly from combustion chamber as
detailed in 7.1.
b: Remove controller (3) as described in 7.2
c: Remove Igniter assembly (11) as detailed in 7.6
d: Disconnect earth cable from valve body.
e: Secure burner head (6) and unscrew gas inlet connection.
f: Remove burner casting securing set screws (37)
g: Remove valve bracket set screws (36) from the underside
of burner base plate.
h: Withdraw burner head and valve assembly from base
plate.
Retain burner gasket (28) for later.
j: Secure burner head (6) and unscrew gas valve (4).
k: Replace in reverse order.
7.4 Filter (5) Replacement.
a: Release the slider latches (30) from the underside of the
burner base plate (1).
b: Pull lid (2) apart and upwards from base (1).
c: Unscrew wing nut fastener (33).
d: Slide filter (5) out of location brackets.
e: Replace in reverse order.
