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5 - Maintenance
Periodic Maintenance
5.2.2
5.2.3
5.3
5 - 2
3
Prime the pump a minimum of 10 cycles with distilled or de-ionized water.
Leave the fluid pathways filled for storage.
®
Note: CONTRAD
100 can be purchased through Fisher Scientific. Order
catalog number 04-355-27 for a 1 gallon container.
Note: RoboScrub is a phosphate-free detergent for cleaning and conditioning
liquid handling systems. RoboScrub is available from Tecan (PN 70-736) in a
16 oz. container.
Weak Acid-Base-Sequence Cleaning
To clean the pump with weak acid and base, follow these steps:
1
Prime the pump with 0.1 N NaOH and allow the solution to remain in the
pump(s) for 10 minutes with the syringes fully lowered.
2
Flush the pump with distilled or de-ionized water.
3
Prime the pump with 0.1 N HCl, and allow the solution to remain in the pump
for 10 minutes with the syringes fully lowered.
4
After a 10-minute period, remove the reagent tubing from 0.1 N HCl solution
and cycle all the fluid from the syringes and tubing into a waste container.
5
Prime the pump a minimum of 10 cycles with distilled or de-ionized water.
10% Bleach Cleaning
To clean the pump with 10% bleach, follow these steps:
1
Make a solution of 10% bleach by adding one part of commercial bleach to
nine parts of water.
2
Prime the pump with the 10% bleach and allow the solution to remain in the
pump with the syringes fully lowered for 30 minutes.
3
After the 30-minute period, remove the reagent tubing from 10% bleach
solution and cycle all the fluid from the syringes and tubing into a waste
container.
4
Prime the pump a minimum of 10 cycles with distilled or de-ionized water.
Periodic Maintenance
Tubing, syringe seals, and valves require periodic maintenance. If they become
worn, you are likely to notice these symptoms:
Poor precision and accuracy
Variable or moving air gap
Leakage
Cavro® XLP 6000 Modular Syringe Pump Operating Manual, 734237-C, en
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