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How to change flow path filter in Merck Hitachi pump L-7100

http://www.chromforum.org/viewtopic.php?t=95054

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How to change flow path filter in Merck Hitachi pump L-7100

Posted: Tue Apr 09, 2019 3:19 pm
by greg07
Hello everyone,

how to remove the filter plate from the housing at the pump outlet? I try to pick up, but it does not move.

Image

thank you in advance
greg

Re: How to change flow path filter in Merck Hitachi pump L-7100

Posted: Wed Apr 10, 2019 7:46 am
by HPLCaddict
Put it in the fridge for a few hours. The Teflon ring will shrink a bit, so usually you can pull the frit out afterwards.
Alternatively, you can try to blow it out with high-pressure air.
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