Draining Lubricant On The Vacuum Side; Filling Up Lubricant On The Motor Side - Pfeiffer Vacuum HEPTA 450 L Betriebsanleitung

Maintenance
7.4.2 Draining lubricant on the vacuum side
1
Fig. 19:
1 Magnetic sealing plug
2 Drain screw
Procedure
1. Place a collection receptacle beneath the drain hole on the vacuum side.
2. Unscrew the drain screw.
3. Unscrew the magnetic sealing plug.
4. Fully drain the lubricant.
5. Clean the magnetic sealing plug.
6. Screw in the magnetic sealing plug and drain screw.
7.4.3 Filling up lubricant on the motor side
Fig. 20:
1 Filler screw
2 O-ring
Procedure
1. Unscrew the filler screw.
2. Fill up with lubricant according to the marks on the sight glass.
3. Screw in the filler screw.
4. Check the fill level during operation when running with final pressure.
88/106

Draining lubricant on the vacuum side

3
1
2
3

Filling up lubricant on the motor side

3 Sight glass
2
3
Collection receptacle
MAX
MIN