Planer Kryo360-1.7, Руководство оператора

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18 Liquidus Tracker
2 Installing the system
1. Carefully unpack the equipment.
2. Place the controller, chamber and pumps on a secure, flat surface.
2.1 Installing a Planer pump and dewar
2.1.1 Connecting the delivery hose
Warning
Never insert the pump into a dewar until it has been connected to the chamber.
Note
To avoid damage to the heating element, support the pump carefully while it is out of the dewar.
1. If the hose is not already fitted to the Chamber, wrap the male hose thread with PTFE tap and fix
to the N
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input on the back of the chamber. Tighten securely with a spanner.
2. Fit the female ferrule at the other end of the hose, to the outlet on the side of the pump. Ensure
that the fibre washer is fitted to this joint. Tighten securely with a spanner.
2.1.2 Filling the dewar
Warning
When refilling a dewar that already contains liquid nitrogen, you must first depressurise it and
remove the pump as described in
Removing the pump .
Wear protective clothing, including cryogloves, goggles, boots and a protective apron.
Only fill the dewar with liquid nitrogen and do not exceed 85% of its capacity.
1. Fully insert the hose from the main liquid nitrogen storage container into the dewar to avoid
spillage.
2. Add the liquid nitrogen slowly into the dewar. Cold gas will issue from the dewar. Use a dipstick
to ensure that the dewar is filled to between 50% and 85% of its capacity.
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