Agilent 6500 Series Q-TOF LC/MS Maintenance Guide 145
Maintenance 2
To replace the rough pump fluid
3 Place a container under the drain plug of the rough pump (see Figure 77 on
page 143).
4 Remove first the fill cap (see Figure 77 on page 143), then open the drain
plug.
Allow the fluid to drain completely.
5 Reinstall the drain plug.
6 Pour in new pump fluid until the fluid level is near, but not above the
maximum mark beside the fluid level window (see Figure 77 on page 143).
7 Reinstall the fill cap.
8 Reconnect the power cord(s).
9 Start up the instrument.
See “To start the system in Standby mode” on page 15.
10 After 30 minutes pump down, inspect the pump for leak.
Inspect for leak after overnight pump down.