Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 402)

<6. Maintenance>
6-49
IM 11B08A01-01E
(12) Air Turbine for Agitator Fan
(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) Open the control unit door using a key included in the accessory kit.
(5) Remove the wiring to the heater from the terminal block on the right side of the isothermal
oven.
(6) Remove the four screws, two temperature sensors, and heater cover.
(7) Remove the four screws to remove the heater cover.
(8) Remove the two screws to remove the fan.
(9) Remove twelve screws to remove the gasket and the gasket-holding plate.
(10) Remove three screws to remove the air turbine for the agitator fan.
(11) Install a new air turbine for the agitator fan.
(12) Reinstall the gasket, gasket-holding plate, fan and heater cover in the reverse order of steps
(4) to (9). Before installing the heater cover, confi rm that the temperature sensor is in place.
<Replacement Parts>
K9400FA Turbine
K9400FU Gasket
F0239.ai
Screws for Agitator Fan
Air Turbine
Figure 6.39 Air Turbine for Agitator Fan
6.2.5 Components in the Sample Processing System
The instructions for replacing parts in the sample processing system are explained.
(1) Sample processing system
(2) Atmospheric pressure balancing valve or fl ow rate control needle valve
2nd Edition : May 11, 2012-00
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