7 General Maintenance
To Open the Rear Analyzer Chamber
198 7000/7010 Series TQ GC/MS Operating Manual
To Open the Rear Analyzer Chamber
The rear analyzer chamber should only be opened to change the EM horn.
Materials needed
• Gloves, clean, lint-free (Large 8650-0030) (Small 8650-0029)
• Wrist strap, antistatic
• Small (9300-0969)
• Medium (9300-1257)
• Large (9300-0970)
Procedure
1 Vent the MS. (See “To Vent the MS” on page 124.)
2 Remove the analyzer window cover. (See “To Remove Left Rear Cover” on
page 196.)
3 Open the left side panel. (See “To Open Left Side Panel for Access to the
Analyzer Chambers” on page 119.)
4 Loosen the rear analyzer side plate thumbscrews, if they are fastened. (See
Figure 65 on page 200.)
Electrostatic discharges to analyzer components are conducted to the quad
driver board where they can damage sensitive components. Wear a grounded
antistatic wrist strap, and take other antistatic precautions before you open the
analyzer chamber. (See “Electrostatic discharge” on page 151.)
The analyzer, 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.
Always wear clean gloves to prevent contamination when working in the
analyzer chamber.
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