Routine and Preventive Maintenance
_____________________________________________________________________ The Vacuum System
oil sight glass
oil drain plug
oil filter
oil filler plug
Figure 5-6. Busch Rotary pump
6. Replace the oil filler plug.
Changing the Rotary Pump Oil
The oil in the rotary pump should be replaced at least once every six
months.
The oil used in the
Busch Rotary Pump
is Anderol 555 (P/N 061024 and
061025).
The oil used in the
Edwards Rotary Pump
is type Ultragrade 19 (P/N
062746 or 062747).
WARNING:
Wear gloves when changing the oil. Avoid contact with the
pump oil; it may contain dissolved toxic residues from analyzed samples.
Observe appropriate disposal requirements when discarding the used oil.
7.
8.
Turn Operate Off and vent the instrument.
Elevate the rotary pump to gain access to the oil drain plug.
WARNING:
The rotary pump is a heavy item and requires at least two
people to lift and move it safely.
9. Place a container under the oil drain plug on the rotary pump (below the
oil sight glass, marked
).
____________________________MSQ Hardware Manual ___________________________
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