PRG VARI LITE VL5, Service Manual

Page: 43 / 142

VL5 ™ WASH LUMINAIRE SERVICE MANUAL 33
Figure 2-18: Linear Actuator Motor and Latched Rail Assemblies Replacement
b. At each linear actuator motor assembly heatshield, using #1 Phillips screwdriver, remove four 4-40 X 1/
4" PPZ screws and four #4 lock washers securing heatshield to luminaire head.
c. At each end of latched rail assembly, using long #2 Phillips screwdriver, remove two 6-32 X 5/16" PPSS
screws and two #6 lock washers securing rail to head assembly.
d. While holding latched rail and linear actuator motor assemblies, remove both assemblies and set aside.
(Linear actuator assemblies and latched rail assembly are connected by the motor wire spring. For the
VL5Arc luminaire, the bellows motor wire spring is also connected and will come loose).
Step 5. At middle of head assembly, using #1 Phillips screwdriver, remove four 4-40 X 1/4" PPZ screws securing
front bulkhead assembly to rear bulkhead assembly.
Step 6. Carefully separate bulkhead assemblies.
Step 7. Reassemble luminaire by performing Steps 1–6 in reverse order.
Step 8. Before replacing tilt-side yoke leg cover, adjust belt tension. Refer to "Pan/Tilt Belt Tension Adjustment" on
page 49 .)
6-32 X 5/16"
PPZ Screw (4)
Actuator/Drive
Ring Link
Swivel Link
#6 Internal Tooth
Lock Washer (4)
Latched Rail Assembly
Motor Wire
#4 Internal Tooth
Lock Washer (8)
4-40 x 1/4"
PPZ Screw (8)
Spring
4-40 X 1/4" PPZ Screw (4)
Rear Bulkhead Assembly
Front Bulkhead Assembly
Heatshield