VICI M Series - Manual (Page 21)

17
Maintenance
Follow these recommended cleaning and maintenance instructions to
obtain optimum performance and maximum life from your pump.
If the pump is not going to be used for at least 24 hours,
make sure no solvents are left in the pump. Following
this procedure will extend pump lifetime and prevent
seizing.
Routine maintenance
• Flush the pump thoroughly with distilled or de-ionized water after each use.
Store the pump dry.
• Avoid running the pump dry for extended periods. The pump is self-
priming and will dispel entrapped bubbles when orientated vertically.
• Inspect the pump for signs of leakage on a regular basis and correct any
problems immediately. Liquid entering the motor housing could damage
the motor and gear assembly.
Leakage from the pump’s leak port indicates excessive backpressure
and unreliable pumping action. (See Figure 2 on page 4.)
• Wipe up all spills on and around the pump immediately
Routine cleaning
The high temperatures associated with autoclaving will compromise
the pump seals. Therefore, chemical procedures should be employed
to ensure sterility. The pump fluid path can be cleaned with any of the
following cleaning solutions:
• Dilute detergent wash
• Dilute acid and base wash
Pump 5 mL of 0.1N NaOH, followed by
5 mL (Model M6) or 50 mL (Model M50) of water, followed by
5 mL of 0.1N HCl, followed by
10 mL (Model M6) or 50 mL (Model M50) of water
• Dilute bleach wash:
Pump 5 mL of a 10% bleach solution followed by
10 mL (Model M6) or 50 mL (Model M50) of water