Installation and operating instruction
Gas burner WG10…/0-D ZM-LN
9 Servicing
83300902 1/2019-02 La
75-112
9.12 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 screws
1
and remove gas butterfly valve
2
.
Refitting
Refit gas butterfly valve
2
in reverse order, secure flange to multifunction as-
sembly whilst ensuring correct seating of the O ring
5
on the flange.
2
4
1
3
5
Carry out soundness test [ch. 7.1.3].