Unigas IDEA Series, Manual

Page: 29 / 48

PART III: MAINTENANCE MANUAL
29
Removing the electrodes
z
Remove the combustion head (see “Removing the combustion head” on page 26).
z
Withdraw the screw VE and remove the electrodes from the support (Fig. 59 - Fig. 60).
DISASSEMBLY OF THE NOZZLE
mod. LO280
Before disassembly the nozzle, measure the real position “A” (see Fig. 61) and make a note in the panel below.
Fig. 61
z
Unscrew the V screw that fastens the combustion head and remove the head from the nozzle-holder (Fig. 62 - Fig. 63).
In order to remove the nozzle, it is important to use two wrenches as shown in Fig. 63, to avoid damaging the bur-
ner component plate!
z
Reassemble the combustion head by respecting the position "A" measured previously, making sure to fasten the V screw
(Fig. 62).
Fig. 59 Fig. 60
NOZZLE
A
Position “A” set in the factory
mm:
60° 8
45° 10
Measurement of real “A” position
, mm:
60°
......................
45°
......................
VE
VE