Metrohm 940 Professional IC Vario ONE/ChS/LPG - Manual (Page 51)

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3 Installation
940 Professional IC Vario ONE/ChS/LPG (2.940.1250)
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3.17 Installing the low-pressure gradient
Accessories For this step you need the following accessories:
￭ Mixing coil for low-pressure gradient (6.2758.020)
￭ 2 × aspiration tubing, 2 m (6.1834.080)
Installing the low-pressure gradient
1 Removing the eluent degasser – high-pressure pump connec-
tion tubing
￭ Loosen the clamping screw at the output of the eluent degasser
and remove the connection tubing.
￭ Loosen the pressure screw on the high-pressure pump's inlet
valve holder and remove the connection tubing, the coupling and
the pump head input capillary.
2 Removing the stoppers
￭ Remove the stopper at eluent input A.
￭ Remove the stopper from the eluent output (labeled Out).