67
60T - 280T
COSMOGAS
Figure 17-1 - Disassembling the casing and opening the control panel
17.2 - Disassembling the casing and
accessing the inner components
To disassemble the casing, proceed as follows (refer to
figure 17-1):
1.- Lift cover “A”;
2.- Unscrew screws “B”;
3.- Lower front casing “C”;
4.- Remove lower casing “E”;
5.- Open panel “D” by unscrewing the fixing screw located
on the left and turning it as shown in the figure.
6.- Unscrew screw “G”;
7.- Lift cover “F”;
17.3 - Disassembling the burner fan unit
To disassemble the burner fan unit, proceed as follows:
1.- close the gas adduction cock and disconnect power;
2.- access the inner components following section 17.2;
3.- disassemble spark generator “A” in figure 17-2,
unscrewing screws “D” in figure 17-2 and disconnecting it
from the ignition glow plugs.
B
E
D
H
F
C
G
A
020009.01.008
17 - MAINTENANCE
4.- disassemble air manifold “A” in figure 17-3, turning it
clockwise then removing it towards the left;
5.- unscrew nut “H” in figure 17-4, being careful of the
gasket on the connection;
6.- with the aid of a flathead screwdriver, remove spring “A”
in figure 17-4;
7.- remove the electrical plug from the gas valve;
8.- pull the gas valve out upwards, being careful of O-ring
“L” (see figure 17-4);
9.- Unscrew the four bolts “B” in figure 17-5;
10.- remove the fan/burner unit (part “C” in figure 17-5).
Reassembling the fan/burner unit
To reassemble the burner/fan unit, work backwards
compared to the disassembly operations and adopt the
following precautions:
a - replace gasket “M” in figure 17-4, taking care to
thoroughly clean the seat of said gasket, as well as the
support seat.
b - check the state of the gasket of nut “H” and Oring “L” in
figure 17-4. If they are ruined, they must be replaced.
c - Once everything has been reinstalled, open the gas
supply and run a seal test on nut “H” in figure 17-4.
ATTENTION!!! Run the seal test exclusively with
a soap-based water solution. Using naked flames is
absolutely prohibited.
