7.4.4 Filling up lubricant on the vacuum side
1
3
2
MIN
MAX
Fig. 21:
Filling up lubricant on the vacuum side
1 Filler screw
3
Sight glass
2 O-ring
Procedure
1. Unscrew the filler screw.
2. Fill up the lubricant as indicated on the sight glass.
– Filling levels with the first filling: approx. 3 mm above the sight glass middle.
3. Screw in the filler screw.
4. Check the fill level during operation when running with final pressure.
7.5 Cleaning the intake strainer
The intake strainer must be cleaned:
● whenever the pumping capacity decreases
● if there is visible contamination
Prerequisites
● Vacuum pump switched off
● Vacuum pump cooled
Required consumable material
● Compressed air
Required tool
● Hexagonal wrench,
WAF 8
Maintenance
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