12 injection valve, 1 protection, 12 injection valve 5.12.1 – Metrohm 850 Professional IC MSM-HC MCS Prep 3 User Manual
Page 115: Protection, Figure 54, Pump tubing connection – changing the filter
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5 Operation and maintenance
850 Professional IC Anion – MSM-HC – MCS – Prep 3
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105
1
2
3
Figure 54
Pump tubing connection – Changing the filter
1
Tubing olive
2
Filter 6.2821.130
Packaging contains 10 items.
3
Filter housing
Replacing the filter
1 Unscrewing filter screw
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Screw the filter screw (54-3) out of the tubing olive (54-1) with
the aid of two 6.2621.000 adjustable wrenches.
2 Replacing the filter
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Remove the old filter (54-2) with tweezers.
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Place the new filter (54-2) flat in the tubing olive (54-1) with
tweezers.
3 Mounting filter screw
■
Screw the filter screw (54-3) back into the tubing olive (54-1) and
tighten by hand. Then additionally tighten with two 6.2621.000
adjustable wrenches.
5.12
Injection valve
5.12.1
Protection
To prevent contamination of the injection valve, a 6.2821.120 inline filter
(see Chapter 3.11, page 42) should be mounted between the high pres-
sure pump and the pulsation damper.