page 13
Unscrew the fittings (n °
1), (n ° 2) and (n ° 3) and
collect the used oil. If
necessary, tilt the unit to
make it easier to drain
After emptying the tank
and the unit, remove the
pipes and fittings n° 4, 5,
6, 7.
Check that the hole in the
grain (n° 4 and n° 7) is not
obstructed, in this case,
free the passage hole in
order to have the correct
functioning of the system.
