9.3.2 Filling up operating fluid
1
2
Fig. 15:
Filling up operating fluid
1 Filling screw with seal
2
Sight glass
Filling up fresh operating fluid
1. Fill with operating fluid as specified on the rating plate.
2. Screw in the filler screw again.
– Pay attention to the seal.
– Tightening torque:
37 Nm
3. Seal the vacuum connection.
4. Check the fill level during operation.
– Optimal fill level: Middle of the inspection glass
9.3.3 Rinsing and cleaning rotary vane vacuum pump
Cleaning by changing the operating fluid
Pfeiffer Vacuum recommends, in cases of heavy contamination with process residues,
cleaning the inside of the vacuum pump with several operating fluid changes.
Prerequisites
● Fresh operating fluid filled
Required aids
● Collection receptacle (> 2 l)
Change operating fluid for cleaning
1. Operate the vacuum pump until it is warm.
2. Perform an operating fluid change.
3. Check the pollution level and repeat the changing of the operating fluid if necessary.
4. Also change the exhaust filter at each operating fluid change.
Maintenance
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Содержание SMARTVANE 55
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