Agilent Technologies Agilent G3215A, User Manual, Page: 37 / 42

Operation 3
Mass Spec Bench User Guide 37
To change rough pump oil
Change the rough pump oil every six months. Refer to your ICP/MS, GC/MS or
LC/MS
Maintenance Guide for detailed information on how to change your
pump oil.
1
If your rough pump has a ballast value, make sure that the valve is closed.
2 Properly vent the system.
3 Turn off the main power for the LC/MS or GC/MS system. If the rough
pump is not plugged into the LC/MS or GC/MS system, unplug the rough
pump from the wall outlet.
4
Turn off Mass Spec Bench.
5 Open the front access door of Mass Spec Bench by pushing the top of the
latch.
6 Slide the metal oil drip tray that holds the rough pump to the front of the
pump tray and onto the frame of the Mass Spec Bench. This position
Figure 27 View of E1M18 pump through access door.
Sight glass
Oil plug
WA R N I N G
The pump can be hot. To avoid possible injury, use gloves when moving it, or wait
until it is cool.