Agilent Technologies Revident LC/Q-TOF System User Manual page 86

5 Maintenance
Cleaning the spray chamber - weekly
7 Dampen a clean lint-free cloth with a mixture of LC/MS-grade isopropanol and
8 Wipe the interior of the spray chamber with a clean lint-free cloth.
9 Make sure you wear clean gloves. Use a tech wipe to hold the parts as you
10 Clean the spray shield, capillary cap, end plates, and contact ring under fume
11 Use 4000 grit abrasive paper to clean contaminants from the parts.
12 Put the spray shield, capillary cap, end plates, and contact ring in the beaker.
13 Add a 50:50 mix of LC/MS-grade isopropanol and LC/MS-grade water in a
14 Put the beaker in sonication for 5 minutes.
15 Drain the solvent and remove the parts from the beaker.
16 Dry the parts using nitrogen gas.
17 Carefully insert the canted coil back into the capillary cap.
18 Reinstall the contact ring, end plate, capillary cap, and spray shield.
19 Reinstall the spray chamber on the instrument.
20 Close the spray chamber.
21 Close the latch of the spray chamber.
22 Connect all cables and tubings to the instrument.
Do not bend or blunt the tip of the needle, as it will decrease system
C AU T I O N
performance. Sharpening the needle is not needed.
23 Pull and twist the 4000 grit abrasive paper along the needle and off the tip of
Do not hit the tip of the corona needle. The tip can bend, which can decrease
C AU T I O N
system performance.
24 Starting at the base of the needle, wipe the needle with a clean lint-free cloth.
86
LC/MS-grade water. For Multimode, be careful not to touch the thermocouple
probe.
remove them. They will be warm.
hood. Carefully remove the canted coil spring from the capillary cap before
cleaning.
beaker.
the needle.
The cloth can be dry or dampened with LC/MS-grade isopropanol.
Agilent Revident LC/Q-TOF System User Guide