GEA Bock HG66e Series - Operating the Shut-Off Valves; Operating Mode of the Lockable Service Connections

D
GB
F
E
I
Ru
15
96446-09.2020-DGbFEIRu
6 | Compressor assembly
Fig. 8
Fig. 9
Valvespindleseal
Release
Tighten
Pipe connection
Pipe connection
6.8 Operatingmodeofthelockableserviceconnections
Fig. 10
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.
Fig. 11
Openingtheserviceconnection
Spindle: Turn
1
/
2
- 1 turn clockwise.
—> Service connection opened / shut-off valve opened.
Connection
blocked
Spindle
Spindle
Connection
open
Compressor
Compressor
Service connection
closed
Service connection
opened
Afteractivatingthespindle,generallytthespindleprotectioncapagainandtightenwith14-16Nm.
This serves as a second sealing feature during operation.
6.7 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.