Metrohm 850 Professional IC Anion MSM-HC MCS Prep 1 - Manual (Page 98)

5.5 High pressure pump
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850 Professional IC – Anion MSM-HC – MCS – Prep 1
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2
Figure 44 Inserting the piston seal into the pump head
4 Replacing the piston cartridge
Screw the assembled piston cartridge back into the pump head and
tighten, first by hand, then additionally by approx. 15° with a
wrench.
Cleaning the inlet valve and outlet valve
1 Removing valves
￭ Unscrew the connection capillary for the auxiliary piston (20-1)
from the outlet valve holder.
￭ Unscrew the holders for the inlet and outlet valves and remove
valves.