Vetter Accessories Tents - Manual (Page 27)

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.
© DOSATRON INTERNATIONAL / 51
EN
© DOSATRON INTERNATIONAL / 50
FITTING THE SUCTION TUBE
Fig. 11 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
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).
CHANGEMENT DU PISTON MOTEUR (hors pression)
- 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. 16
Fig. 17
CHANGING THE MOTOR PISTON (with pressure off)
Fig. 14 Fig. 15
CHANGING THE MOTOR PISTON D3RE25IE (with pressure off)
- 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 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.
Fig. 18 Fig. 19 Fig. 20 Fig. 21