PRG Best Boy 4000 Service Manual page 56

Step 4. Remove Thermal Divider by removing three 6-32 x 1/4" PPSS screws (Figure 3-22).
Step 5. Remove Base Pinch Air Duct by removing two 6-32 x 1/4" PPSS screws.
Step 6. Remove Intake Baffle by removing three 6-32 x 1/4" PPSS screws.
Step 7. Remove Lamp Pinch Fan by removing two 6-32 x 5/16" PFB screws.
Step 8. Replace component by doing steps in reverse. Apply Loctite 246 to all threaded screws.
6-32 x 1/4" PPSS Screw (3)
- Apply Loctite 246
Thermal Divider
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48 BEST BOY 4000 SPOT LUMINAIRE FIELD SERVICE MANUAL
Lamp Pinch Fan
6-32 x 5/16" PFB Screw (2)
- Apply Loctite 246
Intake Baffle
6-32 x 1/4" PPSS Screw (3)
- Apply Loctite 246
Figure 3-22: Removing Lamp Pinch Fan
Aft Bulkhead
Base Pinch
Air Duct
6-32 x 1/4" PPSS Screw (2)
- Apply Loctite 246