VACUUBRAND RZ 9 - Manual (Page 33)

page 33 of 49
(8)
(9)
(7)
(1)
(10)
Under normal operating conditions:
- Check oil level every time before starting the pump.
- Carry out an oil change once aging of the oil is indi- Carry out an oil change once aging of the oil is indi- ging of the oil is indi-
cated by darker color compared to new oil.
- Carry out oil changes at least once a year.
- Dispose of the used oil, which may be contaminated,
according to all applicable regulations.
Oil change procedure
+
Carry out the oil change only after the pump has
reached its normal operating temperature.
➨
Switch off the pump and isolate it from its application.
Ventilate the pump to atmospheric pressure. Discon-
nect the electrical power cord.
+
Choose a suitable pad; oil may drip. Use a suitable
container to catch the oil.
➨
Place a suitable container below the oil out-
let (9).
➨
Remove the oil drain plug (9) below the rat- Remove the oil drain plug (9) below the rat-
ing plate, paying attention to the O-ring.
➨
Tilt the pump slightly and catch the oil in a
suitable container.
+
Dispose of the used oil according to regula- Dispose of the used oil according to regula-
tions.
➨
Screw in oil drain plug (9) with O-ring.
➨
To flush the pump, pour in fresh oil (approx. 0.05 quarts
(50 ml)) through the pump inlet (1) (remove separator
if necessary).
➨
Operate the pump briefly. Drain flushing oil and repeat
flushing procedure, if necessary, until all contamina-
tions are flushed out.
➨
Remove the oil inlet plug (8). Fill in fresh oil through the
oil inlet port until the oil level reaches the mark ”max.”
(10). Do not overfill.
➨
Screw in oil inlet plug (8).