CHIEF SL236 User's Manual

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CHIEF SL236 User's Manual | Manualzz

S E R V I C E M A N U A L

Motor Replacement

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French Product Description

SL236 Motor Replacement

SL236 Motor Replacement

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.

Service Manual

WARNING: Failure to read, thoroughly understand, and follow all instructions can result in serious personal injury, damage to equipment, or voiding of factory warranty! 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--

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

1/8"

(included)

2

B (2)*

[Coupler]

A (1)*

[Replacement

Motor]

C (4)

10-24

D (8)

.750 x .260 x .048

E (1)

1/8"

F (2)

1.0 x .25 x .437

G (4)

1/4-20

H (6)

8-32 x 5/16"

J (8)

1/4-20 x 3/8"

K (4)

1.0 x .640 x .080

L (6)

10-24 x 3/16"

*NOTE: The appearance of these parts may vary from the parts being removed during service due to Chief’s program

of continuous improvement.

Service Manual

REMOVING MOTOR

1.

Fully lower SL236, if possible.

2.

Turn off and remove power from SL236.

3.

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)

Remove plate

SL236 Motor Replacement

Remove plate

6

Figure 2 x 6

5

5 x 4

Figure 1

6.

Remove six screws (three on each side) from plate and remove plate for easier access to motor area. (See

Figure 2)

7.

Restore power to SL236.

8.

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.

Figure 3

Set Screws

6

Motor

Coupler

3

SL236 Motor Replacement

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

Figure 4)

IMPORTANT ! : Wires should be connected in minimum of two places to prevent the hinge assembly from dropping when the motor is removed.

Joist Mounting Tabs

Service Manual

Motor Cover

Wiring cover

Figure 4

12. Remove motor cover and wiring cover by removing six

Phillips head machine screws. (See Figure 5)

NOTE: The wiring cover will only be present on newer units.

Older units will not have this cover.

9 x 6

Figure 5

13. Remove four set screws from each of the two motor couplers. (See Figure 6)

10 x 8

Figure 6

4

Service Manual

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.

SL236 Motor Replacement

2 (B)

3 (C) x 4

(D) x 4

2 (B)

12

11

Motor coupler x 4

11

Motor coupler

Rubber

Grommets

(A)

Motor

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.

Figure 8

4.

Plug in motor.

5.

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)

(A)

5 (J) x 8

(B) x 2

Figure 9

5

SL236 Motor Replacement

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)

6 (H) x 6

Service Manual

8.

Remove cable or wires attached to mounting tabs in Step

10 of Removing Motor section.

9.

Restore power to SL236.

10. Verify that SL236 is operating properly when moving up and down.

11. Remove power from SL236.

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.

7 (L) x 6

Figure 11

Install middle screw first

6

Service Manual

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.

• 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.

SL236 Motor Replacement

(F) x 2

(K) x 2

(D) x 2

(G) x 2

Figure 12

(G) x 2

(D) x 2

(K) x 2

7

SL236 Motor Replacement Service Manual

Chief Manufacturing, a products division of Milestone AV Technologies

8800-002219 Rev00

2012 Milestone AV Technologies, a

Duchossois Group Company www.chiefmfg.com

09/12

USA/International A 6436 City West Parkway, Eden Prairie, MN 55344

P 800.582.6480 / 952.225.6000

Europe

F 877.894.6918 / 952.894.6918

A Franklinstraat 14, 6003 DK Weert, Netherlands

P +31 (0) 495 580 852

Asia Pacific

F +31 (0) 495 580 845

A Office No. 1 on 12/F, Shatin Galleria

18-24 Shan Mei Street

Fotan, Shatin, Hong Kong

P 852 2145 4099

F 852 2145 4477

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