Installation and operating instruction
Gas burner WG20…/1-C LN
9 Servicing
83240802 1/2020-01 La
60-96
9.11 Removing and refitting gas butterfly valve
Observe notes on servicing [ch. 9.1].
Removing
Remove screws
3
.
Unscrew flange with double nipple
4
.
Remove mixing head [ch. 9.3].
Remove drive rod
6
.
Remove screws
1
and remove gas butterfly valve
2
.
Refitting
Refit gas butterfly valve
2
in reverse order and:
ensure correct alignment of drive rod
6
with gas butterfly valve,
secure flange to multifunction assembly whilst ensuring correct seating of
O ring
5
on the flange.
2
4
1
3
5
6
Carry out soundness test [ch. 7.1.3].