PRG VARI LITE VL5, Service Manual

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26 VL5 ™ WASH LUMINAIRE SERVICE MANUAL
Figure 2-9: Disconnecting Wires at VL5/VL5B Tilt-Side Yoke Leg
Step 6. Remove pulley.
a. At top of yoke, using 5/32" Allen wrench, insert wrench through hole in top of yoke cross member and
into head of 10-32 X 1" SCSS belt tension and adjustment screw, and loosen screw to loosen tension
on belt.
b. Using #2 Phillips screwdriver, loosen three 6-32 X 5/16" PPZ screws and three flat washers securing tilt
mechanism to yoke leg and push tilt mechanism as close to pulley as possible without removing.
c. At pulley, using 5/16" nutdriver, gradually loosen four acorn nuts in cross pattern (to prevent pulley from
cracking). Loosen until collet and pulley can be removed from tilt tube.
Step 7. Remove head assembly from yoke assembly.
a. At top yoke cross member, using #2 Phillips screwdriver, remove four
6-32 X 5/16" PPZ screws and four #6 lock washers securing heatshield to yoke cross member, and
remove heatshield.
Figure 2-10.
b. At tilt-side yoke leg, at corner of cross member, using #2 Phillips screwdriver, loosen, but do not
remove, one 8-32 X 3/8" PPSS screw on each side of yoke leg closest to pan tube (for pivoting).
c. Using #2 Phillips screwdriver, remove four remaining 8-32 X 3/8" PPSS screws (two on each side)
securing leg to cross member. (Yoke cover bracket will also come loose.)
d. At bottom of cross member, using #2 Phillips screwdriver, remove two
8-32 X 3/8" PPSS screws securing yoke leg to cross member and pivot leg away from luminaire head.
LMPWRDSC
6-32 KEPS Nut (3)
Terminal Strip
Cable Tie (2)
Pulley
Tilt Mechanism Adjustment Screw
Acorn Nut
Ground Cables (3)
Lamp Wires
(From Head)
6-32 X 5/16" PPZ Screw (3)
Flat Washer (3)
Tilt Tube
Collet and