Metrohm 850 Professional IC Cation - LP-Gradient - Manual (Page 80)

5.5 High pressure pump
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850 Professional IC Cation – LP Gradient
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Figure 37 Components of the inlet valve and outlet valve
1 Inlet valve 6.2824.170 2 Outlet valve 6.2824.160
3 Inlet valve housing 4 Outlet valve housing
5 Sealing ring (black) 6 Sleeve
7 Sapphire sleeve
The shiny side must point to ruby ball. 8 Ruby ball
9 Ceramic holder for ruby ball 10 Seal
The larger opening must point outwards.
4 Cleaning the components of the valve
Rinse the valve components with ultra pure water and/or acetone
and dry with a lint-free cloth.
5 Reassembling the valve
Reassemble valve components according to figure 37, page 70.
￭ Insert the seal with the larger opening faced downwards into the
recess of the tool.
￭ Lay the other valve components above another in the correct
sequence (see Figure 37, page 70).