Thermo Scientific 42iQHL Instruction Manual page 196

Maintenance
Capillaries Inspection and Replacement
5-4 42iQHL Instruction Manual
2. Remove the fitting(s) from the reaction chamber body using a 5/8-inch
wrench being careful not to lose the ferrule or o-ring.
3. Remove the glass capillaries, ferrule, and o-ring. Inspect o-ring for cuts
or abrasion, and replace as necessary.
4. Check capillary for particulate deposits. Clean or replace as necessary.
5. Replace capillary in reaction chamber body, making sure the o-ring is
around the capillary before inserting it into the body.
6. Replace fitting. Note that the fitting should be tightened slightly more
than hand tight.
7. Reconnect tubing to top of fittings, being careful to insert ferrule and
o-ring properly, and tighten knurled nut finger tight.
8. Re-install the cover.
9. Connect the power cord and turn the instrument ON.
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