VACUUBRAND PC 8 m. RC 6 - Manual (Page 35)

page 35 of 49
Shutdown & storage
The pumping unit can be switched off under vacuum.
MD 12C / MV 10C:
Short-term:
Has the pump been exposed to condensate?
Allow the pump to continue to run at atmospheric pres-
sure for a few minutes.
Has the pump been exposed to media which may damage
the pump materials or form deposits?
Check and clean pump heads if necessary.
Long-term:
- Take measures as described above regarding short-
term shutdown.
- Separate the pump from the application.
- Close inlet and outlet ports (e.g., with transport caps).
- Close the gas ballast valve.
- Drain separators.
- Store the pump under dry conditions.
RC 6:
Has the pump been exposed to condensate or have cor-
rosive vapors been pumped?
- Before switching off, allow the pump to continue to run
for several minutes at first with the rotary vane pump’s
gas ballast valve open and then with the gas ballast
valve closed.
Long-term:
- Separate the pump from the application.
- Drain condensates (collecting flask and oil mist filter).
- Flush the pump with dry nitrogen.
- Carry out oil change.
- Fill the pump completely with new oil (more than mark
”max.”!).
Attention: Before restarting the pump, drain oil to the
maximum oil level (mark ”max.”)!
NOTICE