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Installation, Operation, and Maintenance Manual # 509252 Rev R 101
Figure 39. I310M/I311M Irradiator Component Location (Scatter View)
Direct View Photoresistor Removal/Replacement
1. Remove the housing as described in the previous section.
2. Unplug the photoresistor 3-circuit connector (P30) from the photoresistor PWB.
3. Remove the two M4 screws securing the photoresistor mounting block to the
casting and remove the photoresistor assembly.
4. Remove the single screw holding the photoresistor PWB to the mounting block.
5. Remove and discard the PWB and inspect the UV filter lens for damage.
Air intake plenum
Air pressure switch
Magnetron
Filament
transformer
bracket
Filament transformer
Die casting
RF screen
Photo resistor
scatter view
assembly