PRG VARI LITE VL5, Service Manual

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42 VL5 ™ WASH LUMINAIRE SERVICE MANUAL
Yoke Assembly
This section provides removal and replacement procedures for components found in the luminaire yoke assembly.
Tilt Mechanism Assembly Replacement
Parts:
22.9634.0009 1 EA ASSY, PAN/TILT MECHANISM, VL5
55.2186.0001 2 EA CABLE TIE, .10" WD 4.00" LG SMALL
Tools:
Screwdriver, #2 Phillips
Screwdriver, #1 slotted
Nutdriver, 5/16"
Diagonal cutters
Wrench, Allen, 5/32"
Loctite 242 removable-blue (06.6008.001)
To remove and replace tilt mechanism assembly:
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. Remove tilt-side yoke leg cover.
Step 3. At tilt-side yoke leg, disconnect head assembly lamp wires and ground cable. Figure 2-25.
VL5/VL5B:
a. Using diagonal cutters, remove cable tie securing tilt cable to tilt mechanism.
b. At terminal strip, using #1 slotted screwdriver, disconnect lamp wires extending from head.
c. Using diagonal cutters, remove two cable ties securing lamp and ground wires to yoke leg.
d. At ground stud, using 5/16" nutdriver, remove three 6-32 KEPS nuts securing ring terminals to ground
stud, and remove ring terminals.
VL5Arc:
a. Using diagonal cutters, remove cable tie securing tilt cable to tilt mechanism.
b. Using #2 Phillips screwdriver, partially remove relay by removing two 6-32 X 5/8" PPZ screws and two
#6 lock washers.
Figure 2-13. (Relay will still be connected by wiring.) Top relay adapter plate will come
loose also.
c. At ignitor board, disconnect 3-pos lamp wire connector.
d. Using diagonal cutters, remove two cable ties securing lamp and ground wires to yoke leg. Figure 2-25.
e. At ground stud, using 5/16" nutdriver, remove three 6-32 KEPS nuts securing ring terminals of ground
wires, and remove ring terminal of head assembly ground cable from stud.