Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 377)

<6. Maintenance>
6-24
IM 11B08A01-01E
IN
OUT
Isothermal Oven Door
Regulator Attaching Screw
Regulator for Utility Gas
Regulator for Utility Gas
Regulator for Utility Gas
Nut Stem Lock
Nut
Front Panel
Front Panel
Attachment plate
Stem Lock
Coupling
Figure 6.20 Regulator for Utility Gases
(3) Regulator for Purge Air and Air for Solenoid Valves
This regulator is a manifold style regulator used to adjust pressure of purging air and air for
solenoid valves, and is located in the pressure/fl ow control section (see Figure 6.21).
(1) Stop the operation. (See “3.3.4 Stopping operation” for this procedure).
(2) Stop the supply of power.
CAUTION
The isothermal oven is extremely hot after turning off the power immediately. Keep the purging
air supplied for more than an hour after turning off the power. Keep hands away from the oven
components.
(3) Turn off the supply of the purging air.
(4) Remove the cover by removing the two screws of the pressure/fl ow control section.
(5) Disconnect all of the tubes connected to the manifold regulator. When disconnecting the
tubes, label those for ease of identifying the connections later. Disconnect the tubes by
pulling them while pressing the black part of the connector.
2nd Edition : May 11, 2012-00