CAUTION
The pump weighs at least 22 kg (48 lb.). Use proper lifting techniques to avoid
physical injuries.
Hazardous chemicals may be present in the used pump oil. Avoid contact with
skin.
Use proper eye and skin protection.
6. Remove the filler plug on top of the pump.
7. With the container in place to catch the oil, slowly remove the drain plug in
the front of the pump using a 5/16 Allen wrench.
Toxic residues from mass spectrometer samples will build up in used pump oil.
Dispose of all used pump oil in accordance with applicable regulations. Place a
hazardous chemical warning label on the container.
8. Tilt the pump forward and hold until oil flow ceases.
9. Return the pump to the horizontal and refit the plug.
10. Run the pump for approximately ten seconds with the intake port open. This
will remove any residual oil from the pumping block.
CAUTION
Avoid breathing oil mist coming from the exhaust port during this operation.
11. Remove the plug, tilt the pump, and drain any remaining oil.
12. Return the pump to the horizontal.
13. Wipe the oil residue from the drainage port, and refit the drain plug.
14. If the pump oil was particularly dirty, flush the pump.
15. Fill the pump with fresh oil (88-299517-00) through the filler port until the oil
level reaches the maximum level in the sight glass. A funnel may be helpful.
16. Replace the filler plug.
17. Run the pump for at least one hour with the gas ballast valve open to achieve
a good vacuum.
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Summary of Contents for 4000 GC
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