Hardware manual

4-152 Agilent 7500 Series ICP-MS Hardware Manual
4Maintenance
Maintaining the Water Strainer
A strainer is attached to the fitting connector in order for the cooling water
chiller to provide clean cooling water. Prolonged strainer use results in
clogging and water stains. Remove and inspect the strainer annually, cleaning
when necessary.
Locating Tools and Supplies
To replace the water strainer you need the following supplies:
• Drip pan and sponge
Cleaning the Water Strainer
Perform the following procedure when cleaning the water strainer:
1 Turn off the cold water source.
Turn OFF the cooling water chiller and close the valve, if present.
2 Remove the water strainer cap.
Place the drip pan under the working area as cooling water will spill out.
3 Remove the strainer.
4 Check the condition of the strainer and clean if necessary.
The strainer is metallic. Clean with tap water. Replace the strainer if it is
corroded.
5 Replace the strainer.
6 Replace the cooling water strainer cap.
There is an O- ring attached to the cap. Replace if it is cracked or deformed.
7 Check for leaks.
Open the valve, if present. Turn the cooling water chiller power switch ON.
Testing After Maintenance
Testing is important after maintenance on any components. In this section,
the procedure of the basic test after the maintenance is described. Some
components require specific tests, which are listed in their section
procedures.