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5
Maintenance
Ion Source Interface Maintenance
Figure 55 shows the skimmer and tube lens removed from the ion source interface cage.
Figure 55. Skimmer, tube lens, and ion source interface cage for the LXQ and LTQ XL
Ball plunger holes
(for one side)
LXQ
Tube lens
Skimmer
Contact ring
support
Ion source interface cage
Ball plunger holes
(for one side)
LTQ XL
Tube lens
Contact ring
support
Ion source interface
outer cage
Skimmer
 To remove and clean the tube lens and skimmer
1. Remove the ion source interface (see page 78).
2. Gently press the skimmer out of the contact ring support, and then place it on the clean,
lint-free work surface. If necessary, first loosen the ball plungers a little by using the small
slotted screwdriver (Figure 55).
3. Push the tube lens, from the back, out of the contact ring support, and then place it on
the work surface.
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LTQ Series Hardware Manual
Thermo Scientific