Prerequisites
● Vacuum pump switched off
● Vacuum pump is vented to atmospheric pressure on the suction side
● Vacuum pump cooled
Required tool
● Hexagonal wrench,
WAF 13
1
2
3
4
Fig. 22:
Dismantling / assembling the intake strainer
1 Cylinder screw
3
Intake strainer
2 Vacuum connection
4
O-ring
Dismantling the intake strainer
1. Unscrew the cheesehead screws.
2. Remove the vacuum connection.
– Be careful with the O-ring.
3. Remove the intake strainer from the intake duct.
Clean all parts and examine for wear
1. Clean all parts.
2. Examine all parts for wear.
Mounting the intake strainer
1. Insert the intake strainer into the intake duct.
2. Fit the vacuum connection.
– Be careful with the O-ring.
3. Screw on the cylinder screws.
7.6 Cleaning the gas ballast filter
The gas ballast filter is soiled if the vacuum pump takes in ambient air containing dust during gas ballast
operation. As the soiling increases, the throughput of the gas ballast filter decreases. The risk of con-
densation and corrosion in the vacuum pump increases.
Required consumables
● Compressed air
Maintenance
47/70
