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Installation and operating instruction
Gas burner WG40…/1-A ZM-LN
9 Servicing
83300002 1/2019-02 La
73-128
9.3 Removing and refitting mixing head
Observe notes on servicing [ch. 9.1].
DANGER
Risk of explosion due to leaking gas
It is possible for gas to leak out if the gasket
3
is seated incorrectly.
Following work on the mixing head, ensure the gasket is clean and seated cor-
rectly, if necessary replace.
Check for leaks, see Fourth test phase [ch. 7.1.3].
Removing
Unplug ionisation cable
5
.
Unplug ignition cable
1
.
Undo screws
4
.
Turn mixing head
2
to the left up to the recess and remove.
Refitting
Refit mixing head in reverse order ensuring correct alignment and cleanliness of
gasket
3
.
5
1
2
3
4