1. Disconnect the vacuum pump from the analyzer and place it on a work table.
2. Loosen the wing nut on the clamp at the top of the oil vapor trap. Swing the clamp open and
remove the trap from the hose.
3. Loosen the wing nut on the clamp at the bottom of the oil vapor trap. Open the clamp and remove
the trap.
4. Remove one end fitting from the trap body and dispose of the used alumina in an appropriate
manner.
5. Wash the trap body with a detergent-based soap. Rinse with water, then rinse with isopropyl or
ethyl alcohol. Set the trap aside and allow to dry thoroughly.
Exposure of the trap body to oil vapor may cause small cracks on the inside surface of the
trap body. Under normal circumstances, these cracks will not cause problems or leaks.
Replace the Alumina in the Oil Vapor Trap
Smart VacPrep Operator Manual — 067-42800-01
Dec 2013
6 - 7
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