Agilent Technologies 5110 ICP-OES Service Manual page 295

11 Preventative Maintenance
Cooling water system
Cooling water system
Refer to the manufacturer's service instructions for details.
1 Turn the water cooler off.
2 Disconnect the instrument return hose from the water cooler and allow it to drain into an
appropriate container.
3 Turn-on the water cooler and drain the water into a waste container.
4 Turn off the water cooler and disconnect it from the mains supply.
5 Remove the water cooler's condenser fins' protective screen, front and top cover.
6 Clean condenser fins and protective screen.
7 If the water cooler is equipped with an air filter on the condenser, clean or replace as
necessary.
8 If the water cooler is equipped with a water filter, clean or replace as necessary.
9 Remove the pump strainer and clean it by rinsing with tap water. Replace if necessary.
10 Lubricate the water cooler pump motor bearings according to manufacturer's specification.
11 Re-install covers on water cooler.
12 Remove top filler plate (fill plug cover).
13 Fill water cooler with coolant as recommended by the water cooler manufacturer.
14 Reconnect the water cooler to the mains supply and turn on the water cooler.
15 Allow five minutes to purge the air through the system.
16 Turn-off water cooler and remove fill plug.
17 Check that the water level is at top of the fill plug.
18 Top up if necessary and re-install top filler plate.
19 Turn-on the water cooling system.
20 Check that the water cooler set temperature is at 20°C.
21 Check that the pressure gauge on the cooler (if fitted) reads 400 kPa, (58 psi).
The maximum pressure of the water cooler system should not exceed 400kPa (58 psi).
CAUTION
Agilent 5110/5100 ICP-OES Service Manual Agilent Restricted 295