Routine
Maintenance
3
STERRAD
®
Sterilization System Routine Maintenance Guide
17
Vacuum Pump Flush
This procedure should be used ONLY if the drained pump oil was very
dirty. It is not a regular PM procedure.
1. Turn OFF the pump and reference the “Replace Vacuum Pump Oil”
procedure to drain the used pump oil.
2. Disconnect the vacuum line from the intake tube, turn the main
circuit breaker and vacuum pump ON, and pour clean pump oil into
the intake tube while the pump is running.
CAUTION: When flushing the pump, fill it to capacity
with pump oil.
3. Allow the pump to run for at least 10 minutes, then turn the main
circuit breaker OFF.
4. Drain the pump oil again as described in the “Replace Vacuum Pump
Oil” procedure. If the pump oil used for flushing is still dirty, repeat
steps 1-3 until the oil is clean.
5. Reconnect the vacuum line to the intake tube and close the drain
valve.
6. Open a new bottle of pump oil and replace the cap with the oil filler
cap (red tipped). Remove the red tip and cut about 1/6 to 1/4 inch off
the cap tip so the oil flows freely.
7. Pour new pump oil (slightly less than one quart) into the oil fill port
until oil reaches the raised line at the top of the sight glass (the MAX
line on the Leybold D16A). DO NOT OVERFILL or attempt to
empty the oil bottle. Some oil may remain in the bottle when the
pump oil is at the specified fill level. Replace the oil fill plug on the
pump.
8. Dispose of the drained oil following standard customer procedures
for lubrication oils.