Chapter 5: Using Your Freeze Dryer
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46
Original instructions
4.
Check oil level of the vacuum pump. It should be between MIN and MAX.
If the oil level is less than an inch (25.4 mm) above MIN, add oil to proper
level.
5.
If oil shows cloudiness, particles or discoloration, drain the pump and
replace with fresh oil.
6.
The use of acids requires immediate cleaning and neutralization after a run
or physical damage will result.
7.
When freeze drying biological substances, it may be necessary to
decontaminate the system. A surface decontaminant should be used to
clean the accessible surfaces.
The use of ethylene oxide is not recommended because of its
hazardous and corrosive nature. Contact Labconco for
additional information
.
Monthly:
1.
The rubber components on the freeze dry system may eventually deteriorate
and require replacement. The effective life of rubber parts depends upon both
their usage and the surrounding environment. Check all rubber hoses and
gaskets and replace any that show signs of hardening, permanent set or
deterioration.
2.
Using a soft cloth, sponge or chamois and a mild, non-abrasive soap or
detergent, clean the acrylic door.
3.
Using a soft cloth, sponge, or chamois and a mild, non-abrasive soap or
detergent, clean the exterior surfaces of the cabinet. Liquid spray cleaners and
polishes may be used on the exterior surfaces. Do not use solvents to remove
stains from the exterior surfaces as they may damage the finish.
Annually:
1.
Every 12 months, or more often if the freeze dry system is operated in a
dusty environment, the refrigeration system condenser should be cleaned.
Using a vacuum cleaner with brush attachment, clean the condenser to
ensure proper airflow for peak performance.
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