VACUUBRAND PC 8 m. RC 6 User Manual
Page 20
and measuring instruments can only be returned when
certain procedures (see section „Notes on return to the
factory“, pg. 42) are followed.
Take advantage of our service seminars, which put special
focus on the maintenance and repair of vacuum pumps.
For details and for the online ”Instructions for repair” man-
In case of normal wear, the lifetime of the diaphragms
and valves is > 10000 operating hours. Bearings have a
typical durability of 40000 h. Motor capacitors have a typi-
cal durability in the range of 10000 to 40000 h depending
strongly on operation conditions including ambient tem-
perature, humidity or load.
➨
Ensure that the pump cannot be operated acciden-
tally. Never operate the pump if covers or other
parts of the pump are disassembled.
➨
Switch off the pump. Disconnect the electrical pow-
er cord and wait two minutes before starting mainte-
nance to allow the capacitors to discharge.
➨
Note: The pump may be contaminated with process
chemicals, which have been pumped during operation.
Ensure that the pump is completely decontaminated
before maintenance commences.
+
Take adequate precautions to protect people from the
effects of dangerous substances if contamination has
occurred. Use appropriate protective clothing, safety
goggles and protective gloves.
+
Wear parts have to be replaced regularly.
+
Never operate a defective or damaged pump.
+
Check every motor capacitor regularly by measuring
its capacity and estimating its time in operation. Re-
place old capacitors early enough to prevent a failure in
operation. If an old motor capacitor fails, the capacitor