GEA HGX7 R134a - Operating The Shut-Off Valves; Operating Mode Of The Lockable Service Connections

12
D
GB
F
E
96182-09.2013-DGbFEI
4| Compressor assembly
Fig.11
Fig.12
Valve spindle seal
Release
Tighten
Pipeconnection
Pipeconnection
4.6 Operatingmodeofthelockableserviceconnections
Fig.13
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.14
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