Syringe Pump Maintenance; Replacing The Pump Hose - Endress+Hauser analytikjena multi N/C pharma HT Operating Manual

multi N/C pharma HT
6.3

Syringe pump maintenance

6.4

Replacing the pump hose

Clean or replace the dosing syringe of the syringe pump as follows:
} Open the doors of the analyzer.
} Empty the syringe pump via the software:
– Open the window of the same name with the Instrument |Device
control menu option.
– Select the Change syringe option and click [Start F2].
ü The syringe is emptied and moved to the replacement position.
} Unscrew the dosing syringe on the valve (1) and remove it from the drive
(3).
} Dismantle and clean the glass cylinder (2) and piston (4).
} Insert the piston rod of the new dosing syringe into the drive.
} Screw the glass cylinder onto the valve.
ü The analyzer is ready for operation again.
CAUTION
Risk of chemical burns during hose replacement
Small quantities if acidic solutions can still be in the hoses.
¡ Wear protective gloves and clothing when replacing the hoses.
¡ Collect any leaking liquids with an absorbent sheet.
Check the pump hoses every 3 months for leaks and replace them after12 months at the
latest.
Condensate pump
} Exit the control and evaluation software or switch off the gas flow by
clicking [OK] next to Gas flow in the System state window.
} Open the doors of the analyzer.
} Press the bracket on the condensate pump to the left.
} Pull hoses 10 and 11 off of their connections.
Maintenance and care
85