Installation and operating instruction
Oil burner WL40/1-A Z-1LN-A
9 Servicing
83319702 1/2020-10 La
71-116
9.7 Removing the mixing head
Observe notes on servicing [ch. 9.1].
Remove flame sensor QRB4
5
or flame sensor RAR9 (optional).
Remove solenoid valve plug
1
.
Unplug ignition cable
2
.
Remove pressure hoses
4
.
Undo screws
3
.
Turn mixing head to the left up to the recess and remove.
1
2
5
4
3