Removing/Replacing The Gfc Wheel - Teledyne T300 Operation Manual

Troubleshooting and Service

12.6.2. REMOVING/REPLACING THE GFC WHEEL

THERMISTOR
290
When removing or replacing the GFC Wheel it is important to perform the disassembly
in the following order to avoid damaging the components:
1. Turn off the analyzer.
2. Remove the top cover.
3. Open the instrument's hinged front panel.
4. Locate the GFC Wheel/motor assembly. See Figure 3-6.
5. Unplug the following electronic components:
•
The GFC Wheel housing temperature sensor
•
GFC Wheel heater
•
GFC Wheel motor power supply
HEATER
Figure 12-15: Opening the GFC Wheel Housing
6. Remove the two (2) screws holding the opto-pickup printed circuit assembly to the
GFC Wheel housing.
Teledyne API – Model T300/T300M CO Analyzer
SOURCE ASSEMBLY
SYNCHRONOUS MOTOR
SAFETY SHIELD
06864B DCN6314