294 Agilent Restricted Agilent 5110/5100 ICP-OES Service Manual
11 Preventative Maintenance
Accessories
Accessories
1 Inspect accessories according to checklist.
2 Perform any actions as required.
Section Contents:
Sample introduction system 294
Cooling water system 295
Sample introduction system
1 Inspect tubing according to checklist.
2 Remove torch and inspect. Clean if necessary.
3 Remove snout and inspect for salt build-up around viewing slot. Clean if necessary. Inspect O
ring and replace as required.
4 Remove Radial window and inspect. Replace if necessary.
5 Remove Axial cooled cone interface and inspect. Clean as required.
6 Remove Axial window and inspect. Clean or replace as required.
7 Remove the nebulizer from the spraychamber.
8 Inspect nebulizer for chips/cracks. Clean/replace if necessary*.
9 Go to Service Diagnostics – Gas Control page and set Nebulizer gas flow to 0.7 l/min.
10 Set Pump speed to 15 rpm.
11 Aspirate water and observe that the spray from the nebulizer is delivered uniformly and in a
conical pattern.
12 Turn off the Nebulizer gas flow and the peristaltic pump.
13 Inspect spraychamber for contamination.
14 Clean if necessary.
15 Disassemble Argon Humidifier Accessory (AHA) (if required) and using a mild detergent
clean the bottle.
16 Inspect AHA (if required) O-rings to ensure that a satisfactory seal will be made. Replace if
necessary.
17 Fill the AHA (if required) with 100 mL of de-ionized/distilled water.
18 Go to Gas Control page in Service Diagnostics and set nebulizer flow to 0.7 l/min.
19 Disconnect nebulizer gas supply hose from AHA and ensure that there is no argon gas
escaping.
20 Disconnect AHA from nebulizer gas outlet and ensure water does not retreat up AHA gas
supply hose.
21 Turn off the nebulizer gas flow and reconnect AHA hoses.
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