52 DOSATRON
CHANGING SEALS IN THE INJECTION
ASSEMBLY (with pressure off)
Frequency : Once per year.
IMPORTANT ! Use no tool or metallic utensils
ADVICE : Before dismantling any part of the injection assembly it is advisable to
operate the DOSATRON, injecting clean water so as to rinse through the
injection system. In this way, risks of contact with concentrated solutions in the
injection assembly are minimized.
During any such intervention, wear spectacles and protection gloves !
METHOD OF REMOVING SEAL
n° 1
position : Between finger and thumb, pinch the component and the seal ;
push towards one side to deform the seal.
n° 2 position : Increase the deformation to grip the part of the seal thus
exposed and pull it out of its groove.
Clean the seal seating without any tools.
Refitting is done by hand.
It is very important that the seal is not twisted once in place as this would impair
its efficiency.
n° 1
n° 2
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