Maintenance and care
multi N/C pharma HT
102
Figure 63Replacing the halogen trap
1 FAST connector to hose 2
2 FAST connector to hose 3
3 Clamp
4 Brass wool
5 Copper wool
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Open the doors of the analyzer.
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Remove the FAST connectors from the halogen trap and remove the U-tube from the
clamps.
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Pull out the depleted copper wool or brass wool from the U-tube with tweezers or a
small hook.
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Check the U-tube for cracks. Only reuse a fully intact U-tube.
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If necessary, rinse the U-tube with ultrapure water and allow it to dry well.
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Fill the U-tube with new copper wool and brass wool using tweezers or a small hook.
– Replace the complete contents of the U-tube. Do not pack the copper and brass
wool too tightly, but do not allow any larger empty spaces.
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Cover the copper wool and the brass wool with cotton wool.
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Carefully press the filled U-tube into the clamps again.
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Reconnect the gas hoses with FAST connectors to the halogen trap:
– Hose 2 to the branch with copper wool (connection to the water trap)
– Hose 3 to the branch with brass wool (connection to the detector)
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Check the system for leaks.
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Close the doors of the analyzer again.
