Waters APGC, Operator'S Manual Supplement, Page: 29 / 78

Preparing the mass spectrometer for operation with the APGC 2-5
Preparing the source ion block for GC operation
Required materials
• Chemical-resistant, powder-free gloves
• Combined, 2.5-mm Allen wrench and cone extraction tool
Preparing the source ion block for GC operation:
1. Close the source isolation valve.
2. Grasp the cone gas nozzle handle, and move it from the vertical to the
horizontal position, to rotate the sampling cone assembly by 90°.
Rotating the sampling cone assembly:
Warning:
To avoid personal contamination with biologically
hazardous, toxic, or corrosive materials, and to avoid
spreading contamination to uncontaminated surfaces, wear
clean, chemical-resistant, powder-free gloves when working
with the source components.
Warning:
To avoid burn injuries, take great care while
working with the source components, which can be hot.
Cone gas nozzle handle
Sampling cone assembly
Combined, 2.5-mm Allen wrench
and cone extraction tool
Corona pin mounting socket
Source isolation
valve