International Conversions; Fitting The Suction Tube; Adjusting The Injection Rate; Changing The Motor Piston - dosatron D3 RE 3000 Manuel D'utilisation

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INTERNATIONAL CONVERSIONS

Principle : Setting at 1% ⇒ 1/100 = 1 part of concentrate for 100 parts of water.
Ex. : Setting at 2% ⇒ 2/100 = 2 parts of concentrate for 100 parts of water.
Ratio ⇒ 1/50.

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).
ADJUSTING THE INJECTION RATE (with pressure off)
IMPORTANT ! Use no tools.
Adjustment must be made when there is no pressure in the DOSATRON.
- Turn off the water supply and allow the pressure to drop to zero.
- Unscrew the blocking ring (Fig. 13).
- Screw or unscrew the adjusting nut in order to line up the 2 peaks of the
eyelet with the desired ratio on the scale (Fig. 14).
- Tighten the blocking ring (Fig. 15).
Fig. 13
©
DOSATRON INTERNATIONAL / 48
Fig. 11
Fig. 12
Fig. 14
Fig. 15
CHANGEMENT DU PISTON MOTEUR (hors pression)
CHANGING THE MOTOR PISTON (with pressure off)
Fig. 17
Fig. 16
CHANGING THE MOTOR PISTON D3RE25IE (with pressure off)
Fig. 18
Fig. 19
- Shut the water supply and let the
pressure drop to zero.
- Unscrew the bell by hand (Fig. 18)
and remove it.
- Unscrew the fixing nut of the dosing
part (Fig. 19) and remove it.
- Retain the motor piston while turning
©
©
DOSATRON INTERNATIONAL / 49
DOSATRON INTERNATIONAL / 49
- Turn off the water supply and allow
the pressure to drop to zero.
- Unscrew and remove bell-housing
by hand (Fig. 16).
- Remove the motor piston(Fig. 17)
by pulling it up.
- Rod and plunger piston are fixed
to the motor piston and taken out
simultaneously.
- Change 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. 20
Fig. 21
the plunger piston ¼ turn (Fig. 20).
- Change parts and reassemble in the
reverse order to the above.
- Refit the bell taking care not to
damage its seal and screw by hand
(Fig. 21).
- Refit the dosing part assembly.

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