GEA Bock FK50 - Manual (Page 14)

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4| Compressor assembly
4.9 Operating mode of the lockable service connections
Fig. 16
Fig. 17
Opening the shut-off valve
Spindle 1: turn to the left (counter-
clockwise) as far as it will go.
—> Shut-off valve fully opened /
service connection 2 closed.
Opening the service connection (2):
Spindle 1:
1/2 - 1 rotation to the right
—> Service connection 2 opened /
shut-off valve opened.
Connection 3 is provided for safety devices
and is not lockable. 1
1
3
3
2
2