GEA HG7 Series - Operating the shut-off valves; Operating mode of the lockable service connections

12
D
GB
F
E
09706-09.2013-DGbFEI
4| Compressor assembly
Fig. 14
Fig. 15
Valve spindle seal
Release
Tighten
Pipe connection
Pipe connection
4.6 Operatingmodeofthelockableserviceconnections
Fig. 16
Opening the shut-off valve:
Spindle: turn to the left (counter-clockwise) as far as it will go.
—> Shut-off valve completely opened / service connection closed.
The connection which cannot be shut off is intended for safety devices.
Fig. 17
Opening the service connection
Spindle: Turn ½ - 1 turn to the right clockwise.
—> Service connection opened / shut-off valve opened.
The connection which cannot be shut off is intended for safety devices.
Service connec-
tion closed
Connection
blocked
Spindle
Connection cannot be
shut off
Connection cannot be
shut off
Service connec-
tion opened
Spindle
Connection
open
Compressor
Compressor
Before opening or closing the shut-off valve, release the valve spindle seal by approx. ¼ of a turn
counter-clockwise.
After activating the shut-off valve, re-tighten the adjustable valve spindle seal clockwise.
4.5 Operating the shut-off valves