136 Maintenance and Service 083730300A DCN8101
5.8.2 REMOVING/REPLACING THE GFC WHEEL
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 2-4.
5. Unplug the following electronic components:
• The GFC Wheel housing temperature sensor
• GFC Wheel heater
• GFC Wheel motor power supply
SAFETY SHIELD
SYNCHRONOUS MOTOR
SOURCE ASSEMBLY
THERMISTOR
HEATER
Figure 5-13. Opening the GFC Wheel Housing
6. Remove the two (2) screws holding the opto-pickup printed circuit assembly to the
GFC Wheel housing.
7. Carefully remove the opto-pickup printed circuit assembly.
To Next Page
Loading...