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Compressor assembly
4.9 Operating mode of the lockable service connections
Pipe connection
Pipe connection
Fig. 16
Opening the shut-off valve:
Spindle:
turn to the left (counter-clockwise) as far as it will go.
—> Shut-off valve fully opened / service connection closed.
The connection is not lockable and is provided for safety devices.
Fig. 17
Opening the service connection
Spindle: Turn 1/2 -1 rotation to the right.
—> Service connection opened / shut-off valve opened.
The connection is not lockable and is provided for safety devices.
Service connection
closed
Connection
closed
Spindle
Connection not lockable
Connection not lockable
Service connection
open
Spindle
Connection
open
Compressor
Compressor
After activating the spindle, generally fit the spindle protection cap again and tighten with 14-16 Nm.
This serves as a second sealing feature during operation.
For systems with long pipes and higher degree of contamination, a filter on the suction-side is
recommended. The filter has to be be renewed depending on the degree of contamination (reduced
pressure loss).
4.10 Suction pipe filter