Ferroli SUN G50 Operating, Installation And Maintenance Instructions page 30

Fitting nozzles
After determining the right nozzles to use, go ahead and fit them as follows:
1 Unscrew the screws "A"
2 Take off the casing "B"
3 Using a wrench, unscrew the couplings "C" by half a turn
4 Take the copper tubes "D" out of the couplings
5 Slightly unscrew the screws "E"
6 Turn and take out the head/nozzle-holder assembly "F"
7 Unscrew the two screws "G"
8 Using a wrench, unscrew the nozzles "I"
D
30
C
F
E
Cod. 35445644 - 08/2007 (Rev. 00)
G
Nozzle
2nd stage
I
Nozzle
1st stage
F
fig. 5
SUN G50 - G70
A
B
GB