The Oil Pan Under The Foreline Pump Can Be A Fire Hazard; To Remove The Exhaust Silencer Filter - Agilent Technologies 7250 Troubleshooting And Maintenance Manual

6 Vacuum System
7 Reinstall the fill cap.
8 Reconnect the power cord.
9 Start up the instrument. See the
10 Pump down for 30 minutes, then inspect the pump for leaks.
11 Continue pumping down overnight and inspect the pump for leaks the next
The oil pan under the 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.
Combustible materials (or flammable/nonflammable wicking material) placed
WAR N IN G
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.

To remove the exhaust silencer filter


Procedure

This procedure applies to the rotary vane and dry scroll pumps. The dry scroll
pump is shown in the video.
1 Unscrew the wing nut on the clamp. (See
2 While supporting the silencer filter, remove the clamp.
3 Lift the filter and O-ring from the pump.
7250 Accurate-Mass Q-TOF Troubleshooting and Maintenance Manual
System Operating Manual.
day.
Agilent 7250 Accurate-Mass Q-TOF GC/MS
Figure 19 on page 104.)
103