21
4 ORDINARY MAINTENANCE
4.1 PRELIMINARY CONTROLS
WARNING! Before maintenance, make sure
that:
- The power grid’s general switch is turned off
(pos. OFF).
- The machine’s general switch in on 0 (Fig. 18),
that a padlock is placed on the appropriate lock,
and its keys given to the safety operator.
- Make sure the machine is not powered during maintenance operations.
4.2 CLEANING THE WARM AIR GENERATOR
IMPORTANT: at season’s end, clean the combustion chamber, the flue, and the heat exchanger’s
pipes.
0
1
2
B
6
7
A
FIG.19
FIG.18
5
4
