Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 366)

<6. Maintenance>
6-13
IM 11B08A01-01E
(9) Install the cover on the protection system. Fully rotate the cover until it stops, then tighten
the locknut.
<Replacement Parts>
A1852MR (100 V)
A1853MR (200 V)
Figure 6.7
6.2.2 Components for Electronics section
The instructions for replacing parts in the electronics section are explained.
(1) Miscellaneous cards
(2) HMI unit
(3) Fuse
(4) Solenoid valve
(5) Pressure switch
(6) EPC
(1) Miscellaneous Cards
Replacement cards are pre-adjusted before shipment and should be installed as received.
Follow the procedures below when replacing cards.
(1) Stop the operation (See “3.3.4 Stopping operation” for this procedure).
(2) Stop the supply of power.
(3) Open the control unit door or the cover for the electronics section for the oven unit,
depending on the card to be replaced.
Use a key or hexagon wrench included in the accessory kit to open the door or the cover.
CAUTION
• Never remove or insert cards while the power is ON, as it may cause malfunctions.
• Always hold the handle of the card when removing or inserting it.
2nd Edition : May 11, 2012-00
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