Hanna Instruments HI 84432 - Manual (Page 23)

23
PUMP TUBE INSTALLATION
To mount the new peristaltic pump tube follow next steps:
• Position one tubing ferrule ring on its location.
• Stretch the tube over the peristaltic pump rollers.
• Fix the second tube ferrulering ring on its location.
• Attach the tube to the reagent bottle.
Note: Purge the peristaltic pump until drops of reagent
appears on the dosing tip by pressing the PURGE key from the titrator main screen. It may
be necessary to press the tubing against rollers with your finger to hasten the filling of the
tubing the first time.
To remove the tube of the peristaltic pump follow next steps:
Caution: Purge line with water to flush titrant solution from tube.
• Detach the tubes system from the reagent bottle.
• Grasp one ferrule ring of the peristaltic pump tube.
• Pull the tube until the ferrule rings are taken out from their location.
• Remove the other side of the tube.