Metrohm 940 Professional IC Vario TWO/SeS/PP User Manual
Page 73
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5 Operation and maintenance
940 Professional IC Vario TWO/SeS (2.940.2400)
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65
CAUTION
Maintenance work on the high-pressure pump may not be carried out
unless the instrument is switched off.
Recommended pro-
cedure
We recommend the following for the maintenance of the pump head:
1.
Service the inlet valve and the outlet valve.
2.
Remove the pump head.
3.
Service both pistons.
4.
Reinstall the pump head.
You can find brief video sequences on the following maintenance steps
on the Internet at
Servicing the outlet valve
Accessories
For this step you need the following accessories:
You can find these parts in the accessory kit: Vario/Flex Basic
(6.5000.000).
￭
Adjustable wrench (6.2621.000)
Spare parts
If the outlet valve cannot be cleaned, you will need a new outlet valve
(6.2824.160) for this step.