Hardware manual

4-132 Agilent 7500 Series ICP-MS Hardware Manual

4Maintenance

5 Loosen the four screws securing the EM, slide it back and remove the

EM.

There is no need to remove the screws. (Figure 108)

Figure 108 EM and Vacuum Chamber

6 Install a new EM and secure with the 4 screws, connect the feedthrough

leads.

7 Ensure that the electrical leads are positioned well clear of the

surrounding wall and the EM body. This is important to avoid any chance

of a short- circuit occurring.

8 Carefully slide the EM cover back into place and secure with the 3

screws.

9 Pump Down the System.

Refer to “Working Inside the Vacuum Chamber” in this chapter.

10 After replacing, reset EM total current in the Running Time dialog box.

Refer to the section “Maintenance Clocks” in this chapter.

Vacuum Chamber