Check the dilutor syringe monthly for damage or wear. Replace it, if necessary.
Steps
- Remove the screw fixing the plunger to the valve drive .
- Turn the syringe counterclockwise out of the valve.
- Remove the old syringe from the dilutor.
- Screw the new syringe clockwise from below into the lower port of the valve.
- Pull the plunger of the syringe out, until the hole in the plunger is level with the hole in the valve drive.
- Fix the plunger with the screw to the valve drive.