HOW TO DRAIN THE DOSATRON (in case of frost protection)
- Turn off the water supply and let the pressure drop to zero.
- Remove the injection assembly.
- Remove the bell and the motor piston.
- Disconnect the water inlet and outlet fittings.
- Remove the lower pump body from the mounting bracket and empty any
remaining water.
- The DOSATRON can now be reassembled, having first cleaned the seal.
FITTING THE SUCTION TUBE
If the DOSATRON has already been
used, please imperatively refer to §
PRECAUTIONS.
- Unscrew the nut (Fig. 11) at the
bottom of the injection assembly and
put it onto the tube.
- Push the tube onto the barbed fitting
as far as it will go and screw up the nut
by hand (Fig. 12).
CLEANING THE MOTOR PISTON (with pressure off)
%
5
Fig. 13
Fig. 14
%
5
©
DOSATRON INTERNATIONAL S.A.S / 53
Fig. 11
- Turn off the water supply and allow
the pressure to drop to zero.
- Unscrew and remove bell-housing
by hand (Fig. 13).
- Remove the motor piston (Fig. 14)
by pulling it up.
- Rod and plunger piston are fixed
to the motor piston and taken out
simultaneously.
- Clean and reassemble in the
reverse order to the above.
- Refit the bell-housing (take care
not to damage its seal) and tighten
by hand.
Fig. 12