Figure 42, Inserting the piston seal into the pump head – Metrohm 850 Professional IC Anion MSM-HC MCS Gradient User Manual

Page 93

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5 Operation and maintenance

850 Professional IC

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83

1

2

Figure 42

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 (18-1)
from the outlet valve holder.

Unscrew the holders for the inlet and outlet valves and remove
valves.

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