Agilent Technologies 7000 Triple Quadrupole GC/MS, Maintenance Manual

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112 Troubleshooting and Maintenance Manual
4
General Maintenance
To remove/reinstall the heater and sensor for the mass filter
Materials needed
•
Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
•
Hex ball driver, 1.5 mm (8710-1570)
• Hex ball driver, 2.0 mm (8710-1804)
Removal
1 Vent the MS. See the Agilent 7000 Series Triple Quad GC/MS Operation
Manual .
2 Open the front or rear analyzer chamber.
3
Disconnect the mass filter heater and temperature sensor wires from the
feedthrough board.
4
Remove the mass filter heater assembly from the mass filter radiator by
removing the two screws. See
Figure 14 for the front mass filter. The rear
mass filter heater/sensor removal is similar.
WA R N I N G
The analyzers, GC/MS interface, and other components in the analyzer chamber
operate at very high temperatures. Do not touch any part until you are sure it is cool.
C A U T I O N
Always wear clean gloves to prevent contamination when working in the analyzer
chamber.
C A U T I O N
Make sure you use an antistatic wrist strap and take other antistatic precautions
before touching analyzer components.
C A U T I O N
When disconnecting leads, pull on the connectors, not on the wires.