14
GB
GB
F
E
96440-02.2020-DGbRu
4.8 Operating the shut-off valves
Before opening or closing the shut-off valve, release the valve spindle seal by approx. 1/4 of a
turn counter-clockwise.
After activating the shut-off valve, re-tighten the adjustable valve spindle seal clockwise.
Fig. 20
Fig. 21
Pipe connection
4.9
Operating mode of the lockable service connections
Fig. 22
Opening the shut-off valve:
Spindle: turn to the left (counter-clockwise) as far as it will go.
—> The shut-off valve is then fully open and the service connection is closed.
Fig. 23
Opening the service connection
Spindle: 1/2 - 1 rotation to the right (clockwise).
—> The service connection is then open and the shut-off valve is also open.
Connection
blocked
Spindle
Spindle Connection
open
Compressor
Service connection
closed
Serviceanschluss
geöffnet
Valve spindle seal
loosen
tighten
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.
Pipe connection
Compressor
4
|
Compressor assembly