PRG Best Boy 4000 Service Manual page 74

Step 5. At Thermal Switch, disconnect two wires (Figure 3-38).
Step 6. Remove Thermal Switch Bracket and XYZ Assembly by removing four 8-32 x 1/2" SCBZ screws.
Thermal Switch Bracket
8-32 x 1/2" SCBZ Screw (4)
- Apply Loctite 246
®
66 BEST BOY 4000 SPOT LUMINAIRE FIELD SERVICE MANUAL
DETAIL A
ORN
Thermal
Switch
YEL
XYZ Assembly
Figure 3-38: Removing XYZ Assembly
Thermal Switch Wires
Reflector