55
48
49
50
a
2
b
a
1
1
2
3
d
3
f
c
d
c
5
e
e
4
4
6
g
6
g
f
8
8
h
7
7
55
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
•
Front
(
Fig. 50
)
.
6) Loosen the two screws (g).
7) Pull the front (f) slightly towards you.
8) Release the front (f) from the bracket (h) by pushing upwards
and towards you.
3.22 CASING REMOVAL.
To facilitate boiler maintenance the casing can be completely
removed as follows:
•
Lower grid
(
Fig. 4
8)
.
1) Loosen the two screws (a).
2) remove the grid (b).
•
Front panel
(
Fig. 49
)
.
3) Remove the cover caps (c) and loosen screws (d).
4) Loosen the two screws (e) secured under the hinges.
5) Pull the front panel (f) towards you and release it from its lower
seat.