Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual page 177

6
Vacuum System
The oil pan under the foreline pump can be a fire hazard (standard pump)
Oily rags, paper towels, and similar absorbents in the oil pan could ignite and
damage the pump and other parts of the MSD.
Combustible materials (or flammable/non-flammable wicking material) placed
WARNING
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.
5975 Series MSD Troubleshooting and Maintenance Manual 177