Teledyne 360E Bedienungsanleitung Seite 231

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Model 360E Instruction Manual TROUBLESHOOTING & REPAIR PROCEDURES
11.6.2. 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 as described in “Getting Started” Section 3.1.
3. Open the instrument’s hinged front panel.
4. Locate the GFC wheel/motor assembly (see Figure 3-3).
5. unplug the following electronic components:
The GFC wheel housing temperature sensor;
GFC wheel heater
GFC wheel motor power supply
IR source
6. Unscrew the purge gas line hex nut and remove the 1/8 inch FEP purge gas line.
7
8
9
10
Figure 11-11: Opening the GFC Wheel Housing
7. Remove the two (2) screws holding the opto-pickup printed circuit assembly to the GFC wheel housing.
8. Carefully remove the opto-pickup printed circuit assembly.
9. Remove the four (4) screws holding the GFC wheel motor/heat sink assembly to the GFC wheel
housing.
10. Carefully remove the GFC wheel motor/heat sink assembly from the GFC wheel housing.
11. Remove the one (1) screw fastening the GFC wheel/mask assembly to the GFC motor hub.
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