Installation and operating instruction
Dual fuel burner WGL40/1-A ZM
9 Servicing
83273402 1/2019-02 La
101-148
9.20 Replace spring on pressure regulator
Observe notes on servicing [ch. 9.1].
If the setting range of the spring used in the pressure regulator is insufficient, a dif-
ferent type of spring can be selected.
Low pressure regulator
Remove end cap
2
.
Turn adjusting screw
1
anticlockwise.
The spring
3
is de-energised.
Remove complete setting mechanism
4
.
Change spring.
Stick info label for new spring to name plate.
2
3
4
1
Spring type/colour
Setting pressure range
orange
5 … 20 mbar
blue
10 … 30 mbar