18 User Information
Introduction
them, wear a grounded wrist strap and take other antistatic
precautions. Wear a grounded wrist strap any time you must
remove the electronics cover.
Many parts are dangerously hot
Many parts of the instrument operate at temperatures high
enough to cause serious burns. These parts include but are not
limited to:
• The carousel and its contents
• The sample probe/loop assembly
You should always cool these areas of the instrument to room
temperature before working on them. They will cool faster if you
first set the temperature of the heated zone to room
temperature. Turn the zone off after it has reached the setpoint.
If you must perform maintenance on hot parts, use a wrench
and wear gloves. Whenever possible, cool the part of the
instrument that you will be maintaining before you begin
working on it.
Gases
• Do not use flammable carrier gases.
• Do not use hydrogen as a carrier gas in the Headspace
Sampler. Hydrogen creates a potential explosion hazard due
to the venting of gases during operation and “standby”.
• Wear eye protection when using compressed gas to avoid eye
injury.
• Fasten all compressed gas cylinders securely to an
immovable structure or permanent wall.
• Store and handle compressed gases in accordance with
relevant safety codes.
• Do not put gas cylinders in the path of a hot air vent
(including a GC oven exhaust).
WARNING
Be careful when working behind the instrument. During cool-down
cycles, the instrument emits hot exhaust which can cause burns.
medium_standard.book Page 18 Tuesday, February 17, 2004 10:14 AM
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