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Model 300E Carbon Monoxide Analyzer
Instruction Manual
TROUBLESHOOTING & REPAIR PROCEDURES
P/N 04288 REV: A
219
29. Remove the TWO (2) screws holding protective metal cover over Wheel
Temperature Sensor and the GFC Wheel Heater.
30. Carefully remove the cover and the stand-offs located between the cover ands
the GFC Wheel Housing.
SAFETY SHIELD
SYNCHRONOUS MOTOR
SOURCE ASSEMBLY
THERMISTOR
HEATER
Figure 11-7: Removing the GFC Sensor Heater Cover
31. Remove the TWO (2) screws holding protective metal cover over the
Opto-Pickup printed circuit assembly to the GFC Wheel housing.
32. Carefully remove the cover from the Opto-Pickup printed circuit assembly.