5.4 Peristaltic Pump Priming
The peristaltic chemical pumps will require priming upon the initial installation and each time the
chemical supply drums are emptied and replaced thereafter. The following procedure provides the
proper method of priming each pump:
1. While holding the female barbed fitting stationary, separate the in-line disconnect by pulling the
quick-connect down and turning it a
1
/
2
turn counterclockwise.
2. Select the pump to be primed with the priming selector switch located on the top-left corner of
the chemical dosing box.
3. Hold a clean glass jar beneath the pump’s discharge line and press the momentary priming switch
located on the top-right corner of the chemical dosing box until a solid column of chemical is
discharged from the pump into the glass jar.
4. Reconnect the quick-connect fitting by inserting the male end into the female socket and turning
1
/
2
turn clockwise to lock it into position.
5. Safely dispose of the small amount of chemical in the glass jar.
6. Thoroughly wash all chemical traces from the glass jar and repeat the procedure for the remaining
peristaltic chemical pumps.
Figure 29 - Peristaltic Pump Priming
Sentry II with Auto-Dosing Assembly Operating Instructions 32 Effective April 1, 2000
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