Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 364)

<6. Maintenance>
6-11
IM 11B08A01-01E
(7) Remove the screws shown below and remaining connecters, if any, to remove the board
from the assembly.
Screws
(8) Remove the two screws shown below to disconnect the connectors between the boards.
Screws
Safety Board 2
Insulation Sheet
Safety Board 1
(9) After replacing the board, follow steps (5) to (8) in the reverse order.
(10) Confi rm that the connectors are placed in the correct locations.
(11) Install the cover on the protection system. Rotate the cover until it stops, then tighten the
locknut.
<Replacement Parts>
K9800SB 100 V Specifi cation (Safety board 1)
K9800TB 100 V/200 V Specifi cation (Safety board 2)
K9800SD 200 V Specifi cation (Safety board 1)
B. Relays
(1) Stop the operation. (See “3.3.4 Stopping operation” for this procedure).
2nd Edition : May 11, 2012-00
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