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REMOVING/REFITTING THE DOSING PISTON
WARNING: Before performing any work on the DOSATRON, you must
read to the Precautions section, page 17.
NOTA: Before dismantling, and to avoid any contact with the injected
additives, turn on the DOSATRON and allow it to draw in clear water in order
to rinse the injection assembly.
• Turn off the water supply and allow the pressure to drop to zero.
• Dismantle the injection assembly in accordance with the instructions in the
Removing/Refitting the injection assembly section, page 44.
D9WL3000 / D9WL3000IE
• Using a 6 mm open-ended spanner, rotate the plunger piston a quarter turn
and disengage it from the motor.
• Insert the new plunger piston with its seal into the housing provided on the
motor and lock it in place with a quarter turn using the 6 mm spanner.
fig 46
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