PRG Best Boy 4000 Service Manual page 94

Step 7. At Tilt COT Sensor PCB, remove two 4-40 x 1/4" PFSS screws which secure standoffs to yoke.
Step 8. Remove Tilt COT Sensor Cable Assembly.
Step 9. Remove two 1/4" Hex Standoffs from PCB by removing two 4-40 x 1/4" PPSS screws.
Step 10. Install 1/4" Hex Standoffs on new Tilt COT Sensor PCB, applying Loctite 242 to screws/standoffs.
Step 11. Install new Tilt COT Sensor Cable Assembly by doing steps in reverse.
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86 BEST BOY 4000 SPOT LUMINAIRE FIELD SERVICE MANUAL
Figure 3-54: Removing Tilt COT Sensor PCB
Use anti-static precautions
CAUTION: when working with PC boards.
4-40 x 1/4" PFSS Screw (2)
1/4" Hex Standoff (2)
- Apply Loctite 242
Tilt COT Sensor PCB Cable Assembly
4-40 x 1/4" PPSS Screw (2)
- Apply Loctite 242