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Cryoscope Well Cleaning Cleaning and Maintenance
Note The wire diameter MUST be small enough to pass through, into the well. The .050”
diameter X 4.00” long 4LH243 stir wire is ideal.
9. Push the wire into the well. Repeat this process several times, sliding the wire back and
forth until the end of the wire is visible in the hole at the bottom of the well. (This should
loosen any deposit trapped in the tube and the well.)
10. Reassemble the pump tubing to the well, apply the cable tie, and then reapply the
refrigeration tape.
11. Using a solution of 1:5 bleach in distilled water, place the filter and well return line into this
solution. Manually press the pump up and down until the solution has circulated through
the pump and well, and into the bottle.
12. When satisfied that the solution is free-flowing, flush the bleach solution with clean water,
then stop and drain the cooling system.
13. Reassemble the instrument by replacing the spring [C] and elevator [B], securing with
the retaining snap ring, then replace the head cover and instrument cover.
14. Add a new bottle of heat transfer fluid and prime the pump. The instrument is ready for
testing.
Cryoscope Well Cleaning
1. Turn off the power and unplug the instrument. Remove the heat transfer fluid from the
front cover.
2. Follow steps 2-4 from the Osmometer Well Cleaning instruction (previous page).
3. Remove the spring [D] from the well and set aside, to be replaced after cleaning.
D
Note the orientation of the spring as you remove it from the well, wide-end down.
4. Follow steps 7-12 from the Osmometer Well Cleaning instruction.
5. Replace the spring (wide-end down) into the well and reassemble the instrument by
replacing the instrument cover and the head cover.
6. Add a new bottle of heat transfer fluid and prime the pump. The instrument is ready for
testing.
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