Adjusting The Injection Rate; Changing The Motor Piston - dosatron D 8 RE 3000 Manuel D'utilisation

ADJUSTING THE INJECTION RATE (with pressure off)
IMPORTANT ! Use no tool or metallic utensils.
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 retaining 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
CHANGING THE MOTOR PISTON (with pressure off)
Fig. 16
Fig. 14
- 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.
Fig. 17
- 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.
©
DOSATRON INTERNATIONAL / 42
Fig. 15