Agilent Technologies 5975T LTM GC Operation Manual page 19

Many parts are dangerously hot
Many parts of the GC/MSD operate at temperatures high enough to cause
serious burns. These parts include but are not limited to:
• The inlet
• The guard column enclosure and its contents
• The guard column nuts attaching the guard columns to the inlet, LTM
• The analyzer
• The foreline pump
Always cool these areas of the system to room temperature before working on
them. 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.
The insulation around the inlet is made of refractory ceramic fibers. To avoid
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inhaling fiber particles, we recommend the following safety procedures: ventilate
your work area; wear long sleeves, gloves, safety glasses, and a disposable
dust/mist respirator; dispose of insulation in a sealed plastic bag; wash your hands
with mild soap and cold water after handling the insulation.
The oil pan under the standard foreline pump can be a fire hazard
Oily rags, paper towels, and similar absorbents in the oil pan could ignite and
damage the pump and other parts of the GC/MSD.
Combustible materials (or flammable/non-flammable wicking material) placed
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under, over, or around the foreline (roughing) pump constitutes a fire hazard. Keep
the pan clean, but do not leave absorbent material such as paper towels in it.
5975T LTM GC/MSD Operation Manual
column, and MSD.
1
Introduction
19