Routine Maintenance: General; General Warnings - Agilent Technologies 6850 Series II User Information

Routine Maintenance: General

The procedures described in this section can be performed by the user. They
may involve exposure to heated surfaces, but not to hazardous voltages. The
general warnings are repeated here for reference.

General warnings

There are several important safety notices that you should always keep in mind
when using the 6850 GC.
Many internal parts of the GC carry dangerous voltages
If the GC is connected to a power source, even if the power switch is off,
potentially dangerous voltages exist on:
•
With the power switch on, potentially dangerous voltages also exist on:
•
•
•
Warning All these parts are shielded by covers. With the covers in place, it should be
difficult to accidentally make contact with dangerous voltages. Unless specifi-
cally instructed to, never remove a cover unless the detector, inlet, or oven are
turned off, or the power cord is unplugged.
Warning If the power cord insulation is frayed or worn, the cord must be replaced. Con-
tact your Agilent service representative.
Electrostatic discharge is a threat to GC electronics
The printed circuit (PC) boards in the GC can be damaged by electrostatic
discharge. Do not touch any of the boards unless it is absolutely necessary. If
you must handle them, wear a grounded wrist strap and take other antistatic
precautions.
Released: March 2004
The wiring between the GC power cord and the AC power supply, the AC
power supply itself, and the wiring from the AC power supply to the power
switch.
All electronics boards in the instrument
The internal wires and cables connected to these boards.
The wires for any heater (oven, detector, inlet, or valve box)
6850 Series II GC User Information
Routine Maintenance: General
General warnings
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