106
4 Maintaining the MSD
To refill the foreline pump
To refill the foreline pump
Materials needed:
Foreline pump oil (6040-0834) – approximately 0.28 liters required
Funnel
Gloves, oil- and solvent-resistant
Screwdriver, flat-blade, large (8730-0002)
1 Drain the foreline pump (page 104).
2 Reinstall the drain plug.
3 Remove the propping object from under the pump motor.
4 Add foreline pump oil until the oil level in the window is near, but not
above, the upper line.
The foreline pump requires approximately 0.28 liters of oil.
5 Wait a few minutes for the oil to settle.
If the oil level drops, add oil to bring the oil level to near the upper line.
6 Reinstall the fill cap.
7 If necessary, slide the foreline pump back under the vacuum manifold.
The foreline pump may be located on the floor, on the lab bench next to or behind
the MSD, or under the vacuum manifold at the back of the MSD.
8 Pump down the MSD (page 58).
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