dosatron D3 Series - HOW TO DRAIN THE DOSATRON; FITTING THE SUCTION TUBE; CLEANING THE MOTOR PISTON

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DOSATRON INTERNATIONAL S.A.S / 57
FITTING THE SUCTION TUBE
Fig. 11
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).
5
%
5
%
CLEANING THE MOTOR PISTON (with pressure off)
- 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. 13
Fig. 14
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.
Fig. 12