03-914978-00:1
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Mass Spectrometer Maintenance
14. Grip the pump with your right hand, tilt towards you until the inlet flange clears
the manifold flange.
CAUTION
Be careful not to scratch or damage sealing surfaces.
15. Pull the pump out to the full extent of its cable.
16. Disconnect the cable from the diffusion pump controller.
17. Remove the pump and set it on its base.
Topping Off the Diffusion Pump Fluid Level
1. Remove the pump.
2. Slowly pour a little diffusion pump fluid (03-930639-01) through one of the holes
in the diffusion pump’s inlet baffle.
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The fluid is highly viscous and takes a minute or two to reach the
reservoir and show in the sight glass.
3. Add fluid until the level is between the mid and maximum mark on the cold arrow.
4. Wipe any spillage from the inlet baffle using a clean lint free cloth.
5. Refit the diffusion pump.
