Waters Xevo TQ-GC Overview And Maintenance Manual page 26

Removing the outer source assembly enables you to:
• Remove the PCB holder to access the lenses
• Clean the lenses that make up the focusing optics
Figure 1–15: The outer source assembly
PCB holder
PCB holder securing screw
10-pin PCB feed-through connector socket
Source block
Magnet holder x 2
Magnet holder screw x 2
Lens holder
PCB cable assembly
To access and remove the outer source assembly, you must perform the following:
• Prepare the instrument so you can work safely on the source components (see
instrument for working on the
• Remove the inner source and the mounting flange (see
components).
April 27, 2020, 715005564 Ver. 01 (previously released as Rev. A)
source).
Page 26
Removing and refitting the source
Preparing the