PRG Best Boy 4000 Service Manual page 58

Step 4. At Rear Housing Fan Assembly, remove two 6-32 x 1/4" PPSS screws.
Step 5. Tilt and slide fan assembly out of bulkhead.
Step 6. Remove mounting bracket from fan assembly by removing two 6-32 x 5/16" PFB screws (Figure 3-24).
Step 7. Install mounting bracket on new Rear Housing Fan Assembly. Apply Loctite 246 to screws.
Step 8. Install new Rear Housing Fan Assembly by doing steps in reverse. Apply Loctite 246 to all threaded screws.
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50 BEST BOY 4000 SPOT LUMINAIRE FIELD SERVICE MANUAL
Mounting Bracket
Figure 3-24: Removing Fan Mounting Bracket
6-32 x 5/16" PFB Screw (2)
- Apply Loctite 246
Rear Housing Fan Assembly