TN-297 VL3500 Wash & VL3500 Wash FX Luminaires - Vari-Lite
Contents
1. PHILIPS ate VARI LITE TECHNICAL NOTICE PropucT VL3500 Wash and VL3500 Wash FX Luminaires SuBJecT Front Lens Assembly Inspection and Captive Mounting Screw Torque Specifications OVERVIEW Vari Lite would like to remind all owners Authorized Dealers and Service Centers to inspect as part of their normal maintenance routine the front lens assemblies in all VL3500 Wash and VL3500 Wash FX luminaires for proper installation and captive mounting screw torque as described herein If you have any questions as to any aspect of this Technical Notice please contact Vari Lite customer service at 1 877 VARILITE or 1 214 647 7880 WARNING Any repairs or maintenance to VARI LITE luminaires should only be performed by a trained and qualified service technician or at an Authorized VARIRLITE Service facility VL3500 WASH AND VL3500 WASH FX FRONT LENS INSTALLATION INSPECTION A CAUTION The luminaire head is a precisely balanced unit The weight of the front lens assembly is counter balanced inside the head Removal of the front lens assembly can result in instantaneous uncontrolled head movement To avoid uncontrolled movement when the luminaire is sitting on upper enclo sure point the head straight up To avoid uncontrolled movement when the luminaire is hanging point the head up at an angle until it rests against the tilt stops as shown Make sure the lens is properly positioned and installed according2. ng Holes with N Threaded Inserts 4 each f d vs Front Lens Assembly a a Guide Pins 4 each Captive Mounting Screws 4 each Y Torque to 24 in Ibs 2 71 N m Figure 1 Front Lens Assembly and Captive Mounting Screws Refer to the latest version of the VL3500 Wash and VL3500 Wash FX Service Manual for front lens removal and installation procedure Clean and fingerprints on lenses with isopropyl alcohol and a lint free cloth CONTACT INFORMATION For more information on this technical notice or on VARI LITE products please contact your Authorized VARI LITE Dealer or Vari Lite customer service 07 January 2010 Notice No TN 297
3. to the luminaire s user s and service manuals When installing the front lens all versions assembly as shown in Figure 1 the captive screws in the assembly should be properly positioned in their corresponding mounting holes and torqued to 24 in Ibs 2 71 N m AX WARNING Torquing the captive mounting screws greater than 24 in Ibs 2 71 N m can result in damaging the screws or the threaded inserts in the side rails and could cause them to fail Any damaged captive mounting screw refer to service manual for part numbers must be replaced with the specified screw Do not use another type of screw Special care should be given when using an electric or automated screwdriver Be careful not to cross thread or over torque the screws Vari Lite 10911 Petal Street Dallas Texas 75238 USA 1 877 VARILITE 1 214 647 7880 www vari lite com VARI LITE VLX VL500 VL1000 VL2000 VL3000 and VL3500 are trademarks of Genlyte Thomas Group LLC 07 JANUARY 2010 Notice No TN 297 PHILIPS rot VARI LITE TECHNICAL NOTICE Lens is heavy Horizontal orientation shown for clarity If lens is removed as shown head assembly will instantaneously rotate to face upwards See Caution on page lof this notice CAUTION Luminaire Head see Detail A Front Lens Assembly see Detail B Captive Mounting Screws Detail A Detail B Luminaire Head Front Lens Assembly Front Lens Assembly Mounti
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