D
GB
F
E
11
96020-09.2013-DGbFEI
Valve spindle seal
Release
Tighten
Fig. 12
Fig. 13
4| Compressor assembly
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
Pipe connection
Pipe connection
4.6 Operatingmodeofthelockableserviceconnections
Fig. 14
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. 15
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
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