YOKOGAWA K9409GT GC8000 Heater for Isothermal Oven

YOKOGAWA K9409GT  GC8000 Heater for Isothermal Oven

The heater uses a nichrome wire to control the temperature of the isothermal oven.

(1) Stop the operation. (See “3.3.4 Stopping operation” for this procedure).

(2) Stop the supply of power.

(3) Confirm that the LED (Green) of “POWER” is OFF.CAUTIONThe oven is extremely hot after turning off the power immediately. Keep the protective gas
(instrumental air) supplied for more than an hour after turning off the power. Keep hands awayfrom the oven components.

(4) Turn off the protective gas (instrumental air) supply.

(5) Open the door of the isothermal oven section using a key included in the accessory kit.

(6) Disconnect the wiring to the heater from the terminal block on the right side in the isothermaloven.
(7) Remove the four screws to remove the heater cover.
IMPORTANT
• Do not touch the end of two temperature sensors.
• Do not bend the wiring to the heater.

(8) Remove the two nuts mounting the end terminals on both ends of the heater. Then, pull outthe heater from the heater guide while removing two temperature sensors.