Agilent Technologies 7000 Triple Quadrupole GC/MS, Maintenance Manual

Page: 95 / 214

General Maintenance
4
Troubleshooting and Maintenance Manual 95
Removal, analyzer chamber gauge
1 Vent the MS. See the Agilent 7000 Series Triple Quad GC/MS Operation
Manual .
2
The chamber ion gauge is under the collision cell area. See Figure 8 .
3
Separate the MS from the GC. See “To separate/connect the MS and the
GC” on page 86.
4 Remove the cable from the bottom of the ion gauge.
5
Remove the screws from around the base of the ion gauge.
6
Remove the gauge and O-ring from the chamber.
Installation, analyzer chamber gauge
Installation is the reverse of the removal procedure.
Removal, foreline pump gauge
1
Vent the MS. See the Agilent 7000 Series Triple Quad GC/MS Operation
Manual .
2 Separate the MS from the GC. See “To separate/connect the MS and the
GC” on page 86.
3
Unplug the foreline gauge cable from the foreline gauge.
4
Unscrew the large wingnut on the gauge clamp. See Figure 8 .
5 While supporting the gauge body, remove the clamp from the mounting
flange.
6
Remove the gauge and hose together.
7
Loosen the hose clamp.
8
Pull the foreline gauge assembly out of the foreline hose.
Installation, foreline pump gauge
Installation is the reverse of the removal procedure.