Maintenance 5–5
6.
Replace the lens in the viewing window mount, making sure the
O-rings are installed properly. The flat side of the lens should
be facing the O-ring.
Lens Ring Retainer
Lens
O-Ring (2501010)
Viewing Window Mount
O-Ring (2501862)
Figure 5-2
Viewing Window Assembly
7.
Secure the lens by tightening the lens ring retainer using a coin.
Do
not
overtighten as it could damage the lens.
8.
Lightly grease the external O-ring and wipe off any excess
grease before replacing the viewing window mount in the
Electrospray chamber.
If the view of the capillary tip is still unsatisfactory after focusing
the lens, see the section later in this chapter, “
.”
Replacing the Ionizer
W A R N I N G
The use of controls, adjustments, or procedures other than those
specified in this manual may result in exposure to hazardous radiation.
The ionizer does
not
need to be removed or cleaned under normal
operating conditions. However, the ionizer should be removed if the
Electrospray chamber needs to be cleaned or if the ionizer is more
than twelve months old. Use the following procedure to replace the
ionizer. Refer to Figure 2-2 if necessary.