
4.14.2 Removing the ion guide assembly and differential aperture
from the pumping block assembly
Required materials
• Chemical-resistant, powder-free gloves
• 3-mm hex wrench
Warning:
To avoid personal contamination with biologically hazardous, toxic, and corrosive
materials, wear chemical-resistant, powder-free gloves when performing this procedure.
To remove the ion guide assembly and differential aperture from the pumping
block assembly:
1. Use the 3-mm hex wrench to unscrew and remove the 2 screws securing the differential
aperture and ion guide assembly boards to the pumping block assembly.
Figure 4–25: Removing the ion guide assembly and differential aperture
Pumping block assembly
Ion guide assembly
Differential aperture support and circuit board
Securing screws (2)
Notice:
To avoid damaging the ion guide assembly when removing it from, or
fitting it to, the source assembly, do not grasp the ion guide by its metal lens
plates. Instead, grasp the circuit boards on the top and bottom of the device.
January 10, 2022, 715006200 Ver. 01 (previously released as Rev. A)
Page 108