➨
Ensure that the pump cannot be operated acciden-
tally. Never operate the pump if covers or other
parts of the pump are disassembled.
➨
Disconnect the pump from the power supply and
wait two minutes
before starting maintenance to al-
low 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.
+
Vent the pump before starting maintenance. Isolate the
pump and other components from the vacuum system.
Allow sufficient cooling of the pump.
Ensure that
maintenance
is done only by suitably trained
and supervised technicians. Ensure that the maintenance
technician is familiar with the safety procedures, which re-
late to the products processed by the pumping system.
Only dismantle the pump as far as necessary.
NOTICE
