CHIEF SL236 User's Manual
Contents
1. Figure 6 Service Manual SL236 Motor Replacement 14 Slide motor couplers toward outside of the lift See Figure 7 15 Remove the four nuts and four flat washers holding the motor to the back plate of the lift See Figure 7 16 Unplug and remove the motor 17 Slide both motor couplers toward the center of the lift and remove couplers from the lift Motor coupler Motor coupler Figure 7 REPLACING MOTOR 1 Ensure that rubber grommets are attached properly to the new motor A NOTE Use the old motor assembly as a reference for proper placement of rubber grommets 2 Install two new motor couplers B and slide towards outside of lift See Figure 8 3 Place replacement motor A in place and fasten with four 10 24 locknuts C and four 750 x 260 x 048 flat washers D See Figure 8 IMPORTANT Do NOT overtighten the locknuts Stop tightening when one to two threads protrude from the locknut 4 5 Rubber Grommets Figure 8 Plug in motor Slide motor couplers B towards motor A and fasten in place using eight 1 4 20 x 3 8 set screws J four on each motor coupler See Figure 9 e 99 99 Figure 9 SL236 Motor Replacement Service Manual2. 6 Replace the motor cover and wiring cover if present and fasten with six 8 32 x 5 16 Phillips head screws H See Figure 10 Motor cover Figure 10 7 Replace plate removed in Step 5 of Removing Motor section and fasten with six 10 24 x 3 16 Phillips head screws L See Figure 11 NOTE Install middle screw on each side first and set plate on top of two middle screws before adding additional four screws Install middle screw first Figure 11 Remove cable or wires attached to mounting tabs in Step 10 of Removing Motor section Restore power to SL236 Verify that SL236 is operating properly when moving up and down Remove power from SL236 Service Manual SL236 Motor Replacement 12 Reinstall projector cradle to SL236 lift See Figure 12 Use two nylon spacers K two flat washers D and two locknuts G for rear lift arms e Use two steel spacers F two nylon spacers K two flat washers D and two locknuts G for front lift arms 13 Reinstall the projector into the SL236 following instructions included with the SL236 14 Re route projector power and signal cables following instructions in the SL236 installation instructions 15 Restore power to SL236 Figure 12 SL236 Motor Replacement Service Manual CHIEF Our Mounts Your Vision Chief Manufacturing a products div
3. It is the installer s responsibility to make sure all components are properly assembled and installed using the instructions provided WARNING Use this mounting system only for its intended use as described in these instructions Do not use attachments not recommended by the manufacturer WARNING Never operate this mounting system if it is damaged Return the mounting system to a service center for examination and repair WARNING Do not use this product outdoors SAVE THESE INSTRUCTIONS 1 8 included F 2 1 0 x 25 x 437 S y 8 G 4 H 6 1 4 20 8 32 x 5 16 of continuous improvement B 2 Coupler SS i A 1 I O Replacement 0 S Q Motor Vi C 4 750 x 260 x 048 E 1 10 2 1 8 NOTE The appearance of these parts may vary from the parts being removed during service due to Chief s program K 4 1 0 x 640 x 080 O L 6 10 24 x 3 16 J 8 1 4 20 x 3 8 Service Manual SL236 Motor Replacement REMOVING MOTOR 1 Fully lower SL236 if possible Turn off and remove power from SL236 Remove projector from SL236 following instructions included with the SL236 4 Remove signal and power cables from projector 5 Remove projector cradle by removing four locking nuts two on each side and additional washers and spacers See Figure 1 Figure 1 6 Remove six screws three on each side from plate and remove plate for easier ac
4. SERVICE MANUAL Motor Replacement SC CHIEF SL236 Motor Replacement Our Mounts Your Vision SL236 Motor Replacement Service Manual DISCLAIMER Milestone AV Technologies and its affiliated corporations and subsidiaries collectively Milestone intend to make this manual accurate and complete However Milestone makes no claim that the information contained herein covers all details conditions or variations nor does it provide for every possible contingency in connection with the installation or use of this product The information contained in this document is subject to change without notice or obligation of any kind Milestone makes no representation of warranty expressed or implied regarding the information contained herein Milestone assumes no responsibility for accuracy completeness or sufficiency of the information contained in this document Chief is a registered trademark of Milestone AV Technologies All rights reserved A IMPORTANT SAFETY INSTRUCTIONS WARNING A WARNING alerts you to the possibility of serious injury or death if you do not follow the instructions CAUTION A CAUTION alerts you to the possibility of damage or destruction of equipment if you do not follow the corresponding instructions TOOLS FOR INSTALLATION PARTS WARNING Failure to read thoroughly understand and follow all instructions can result in serious personal injury damage to equipment or voiding of factory warranty
5. cess to motor area See Figure 2 Restore power to SL236 Run the lift up or down until the set screws on the motor couplers face outward so they can be removed in a later step See Figure 3 9 Remove power from SL236 IMPORTANT Do NOT remove set screws yet Remove plate Figure 2 0y0BBd0 N oo Set Screws Motor Coupler Figure 3 SL236 Motor Replacement Service Manual 10 Attach wire or something of equivalent strength to the joist mounting tabs on the SL236 11 Connect these wires to the front of hinge assembly See Motor Cover Figure 4 IMPORTANT Wires should be connected in minimum of two places to prevent the hinge assembly from dropping when the motor is removed Wiring cover rin ee oo Joist Mounting Tabs oD Figure 5 13 Remove four set screws from each of the two motor couplers See Figure 6 Figure 4 e on LO 12 Remove motor cover and wiring cover by removing six Phillips head machine screws See Figure 5 e NOTE The wiring cover will only be present on newer units Older units will not have this cover
6. ision of Milestone AV Technologies 8800 002219 Rev00 2012 Milestone AV Technologies a Duchossois Group Company www chiefmfg com 09 12 USA International Europe Asia Pacific PnUTPNnUD gt TU 6436 City West Parkway Eden Prairie MN 55344 800 582 6480 952 225 6000 877 894 6918 952 894 6918 Franklinstraat 14 6003 DK Weert Netherlands 31 0 495 580 852 31 0 495 580 845 Office No 1 on 12 F Shatin Galleria 18 24 Shan Mei Street Fotan Shatin Hong Kong 852 2145 4099 852 2145 4477 Pa Ce i o J Consumer
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