Foreline trap maintenance 10-13
Tip: The lid comprises a flange and a disk, which has a strong spring
pushing against it.
3. Remove the spring and the basket holding the alumina balls from the
foreline trap casing.
4. Clean the casing. If the inside of the foreline trap casing appears oily or
dirty, wash it with isopropyl or ethyl alcohol, and then dry it thoroughly.
Basket
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