PRG VARI LITE VL5, Service Manual

Page: 35 / 142

VL5 ™ WASH LUMINAIRE SERVICE MANUAL 25
Separating VL5/VL5B Head and Yoke Assemblies
This procedure is required during some repairs and is referenced elsewhere in this chapter.
Tools:
Screwdriver, #2 Phillips
Screwdriver, #1 slotted
Allen wrench, 5/32"
Nutdriver, 5/16"
Diagonal cutters
To separate VL5/VL5B head and yoke assemblies:
WARNING: All maintenance procedures are to be performed with power removed from luminaire.
Step 1. Disconnect luminaire AC input cable from power source.
Step 2. Unlatch and swing open heatsink assembly and front lens ring. Figure 2-6.
Step 3. Remove top and bottom head covers.
Step 4. Remove both yoke leg covers.
Step 5. Disconnect head assembly cables from yoke assembly.
a. At LCB, disconnect four 4-pin MTA connectors at STEP 1 through STEP 4. Figure 2-8.
Figure 2-8: Disconnecting VL5/VL5B LCB Motor Wires
b. At tilt-side yoke leg, using diagonal cutters, remove two cable ties securing lamp and ground wires to
yoke leg.
Figure 2-9.
c. At terminal strip, using #1 slotted screwdriver, disconnect lamp wires extending from head.
d. At ground stud, using 5/16" nutdriver, remove three 6-32 KEPS nuts securing ring terminals of three
ground wires.
e. Remove ring terminals from ground stud.
Not Used
Step 1
Step 2 Step 3
Step 4
Heatshrink
Color Code
Step 1 = Blue
Step 2 = Yellow
Step 3 = Red
Step 4 = White