18 Operation Manual
1 Introduction
Important Safety Warnings
• Foreline pump
• GC/MS transfer line
Always cool these areas of the system 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.
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 MS.
WARNING
Be careful when working behind the instrument. During cooldown
cycles, the GC emits hot exhaust that can cause burns.
WARNING
The foreline pump can cause burns if touched when operating.
WARNING
The insulation around the inlets, detectors, valve box, and the
insulation cups is made of refractory ceramic fibers. To avoid
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 in accordance with local
regulations; wash your hands with mild soap and cold water after
handling the insulation.
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