General Maintenance 6
5977B Series MSD Operating Manual 169
5 Use the hand grip on the filament block to remove the filament block from
the source.
6 Remove the dual filament from the filament block by lifting the source body
up off of the filament block, while holding the filament block so that the
dual filament will not fall and become damaged.
Figure 54 Replacing the dual filament
Source mount
Screw
Filament block
Dual filament
Use extra caution when removing the dual filament, as it is extremely brittle.