Press firmly on the upper surface of the pump, then remove the spring clips
from the handles on the dewar. To prevent jamming only remove one
spring at a time from each side.
Lift the pump carefully, but firmly, out of the neck of the dewar using a
slight twisting and rocking action.
The end of the pump may be cold enough to cause frostbite.
Place the pump in a safe position on its side or suspended vertically.
Remove frost using a hot-air gun.
Do not overheat as the plastic parts or thermal cut-out may
be damaged.
When the pump has attained ambient temperature, dry any condensation with
absorbent tissue to prevent ice from blocking the filter when the pump is
refitted.
Fit a bung to the dewar to prevent water condensing inside.
1 - 8 Installing the System
Содержание Kryo250
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