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Parts:
1 EA SENSOR, PHOTO TRANSISTOR, BP103B-4 (86.7003.0001)
Tools:
Screwdriver, Phillips #2
Pliers, needle-nose
To remove and replace dimmer photo transistor sensor:
Step 1. Remove power from luminaire.
Step 2. Remove dimmer bulkhead (
).
Step 3. At dimmer heatshield, remove four 6-32x1/2"PPZ screws and #6
lockwashers that secure heatshield to dimmer bulkhead. Separate
heatshield from bulkhead (
).
Step 4. At dimmer blade side of photo transistor, using fingers (or needle-
nose pliers as necessary), remove thick knurled nut (
).
Figure 3-7: Photo Transistor Sensor Replacement
Step 5. Pull photo transistor sensor out from socket. Note orientation of
flat side of photo transistor for replacement installation.
Thick Knurled Nut
Photo Transistor
Note orientation
of flat side.