PRG Best Boy Field Service Manual - Manual (Page 87)

BEST BOY 4000 ® SPOT LUMINAIRE FIELD SERVICE MANUAL 79
Replacing Ballast Fan
Parts:
25.9816.0991 / 2.3749A-R10 1 EA CABLE ASSY, BALLAST HEATSINK
Tools & Supplies:
#2 Phillips screwdriver
Loctite #242 (06.6008.0001)
WARNING: Remove power from luminaire before performing any maintenance procedures.
To replace the ballast fan:
Step 1. Remove power from luminaire.
Step 2. Remove Ballast-side Enclosure Cover. (Refer to "Removing Upper Enclosure Covers" on page 27.)
Step 3. Disconnect Fan Cable connector by twisting.
Step 4. At Ballast Fan, remove four 8-32 x 1-1/2" PPZ screws and #8 washers.
Step 5. Remove mesh screen and Ballast Fan.
Step 6. Install new Ballast Fan by doing steps in reverse. Apply Loctite 242 to screws.
Figure 3-47: Removing Ballast Fan
Fan
Fan Cable
#8 Washer
8-32 x 1-1/2" PPZ Screw (4)
- Apply Loctite 242
Ballast
DETAIL A
Mesh