GAI-Tronics 12761-001 User Manual

Pub. 42003-073

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

Handset Cradle/Sensor Assembly

Replacement Kit

Model 12761-001

Confidentiality Notice

This manua l is provide d sole ly as an operatio nal, installation, and ma inte nance guide and conta ins
sensitive business and t e chnical informatio n tha t is confidentia l and pr opri et ary to GAI- Tronics.
GAI-Tronics retains all intellectual property and other rights in or to the information contained herein,
and such information may only be used in connection with the operation of your GAI-Tronics product or
system. This manu al may not be dis clos e d in any form, in whole or in pa rt, direct ly or i ndir ectly, to a ny
third pa r ty.

General Information

This kit is for use on the following models: Model 9001, 9001-001, 9001-003, 9005, 9005-001, 9005-003,
9081, 9081-001, 9081-003, 9085, 9085-001, and 9085-003

Installation

Removing the Old Assembly

1. Loosen the 4 screws on the front cover of the unit.

2. Open the front cover. Locate the ribbon cable assembly. Disengage the ribbon cable on the back of

the unit by pushing out and down on the tabs.

3. Locate the shield on the rear of the front panel. Remove the 5 screws securing the shield, and remove

the shield. Feed the ribbon cable through the opening in the shield, and remove the shield.

4. Locate the party-line selector switch on the front cover of the unit. Using a flat screwdriver, pop the

cap out of the center of the knob. Set the cap a side.

5. Note the position of the party-line indicator. Use a

hex nut securing the knob. Remove and set aside the knob.

6. Use a pair of needle-nose pliers or a wrench to remove the hex nut and internal tooth lockwasher

securing the switch to the front panel. Set these items aside.

5

/16-inch nu t driv er to loose n, but not r e move, the

7. Unplug the switch cable from the main board at J4, pull the selector switch assembly through the rear

of the front pane l, and set it aside.

GAI-Tronics Corporation P.O. Box 1060, Readi ng, PA 19607-1060 USA

610-777-1374  800-492-1212  Fax: [phone]

ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS

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Pub. 42003-073

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ODEL 12761-001 HANDSET CRADLE/SENSOR ASSEMBLY REPLACEMENT KIT Page: 2 of 2

8. Locate the 2 red wires that feed from the reed switch sensor through the opening on the PCBA and

plug the m into t he board. Unplug the se r e d wir es f rom E5 and E6 on the PCBA.

9. Unscrew the 5 standoffs securing the PCBA to the front panel.

10. F lip the P CBA over a nd feed the unsecured end of the re d wires thr ough the openi ng in the board.

11. Use a Phillips screwdriver to remove the 2 screws securing the handset cradle to the rear of the front

panel.

12. P u ll the hands et c radle sensor a ssemb ly thr ough t he fro nt panel of the unit, and discard it .

Installing the New Assembly

1. Feed the 2 red wires on the new assembly through to the rear of the front panel, making sure that the

handset cradle is positioned such that the wider opening is at the top of the cradle.

2. Secure the assembly using the new screws.

3. Feed the red wires through the upper circu la r opening in the PCBA. Be sure you position the PCBA

so the ribbon cable connectors in the front and rear portions of the unit align properly.

4. Secure the PCBA with the 5 standoffs, from Step 9 in the previous procedure.

5. Plug the red wires onto the PCBA at E5 and E6.

6. Feed the party-line selector switch assembly through to the front of the unit, making sure that the

cable faces to the right. Plug the connector at the end of the wires into PCBA at J4.

7. Access the front panel of the unit. Lay the internal tooth lockwasher and then the hex nut over the

switch assembly. Secure the switch assembly by tightening the hex nut with a pair of needle-nose
pliers or a wrench.

8. Place the party-line selector knob over the switch at the original party-line position.

9. Using needle-nose pliers or a nut driver, secure the knob by tightening the hex nut.

10. Put the cap back in the center of the knob.

11. Feed the ribbon cable assembly through the opening in the shield. Align the holes in the 4 corners

and center of the shield with 5 standoffs on the PCBA.

12. Use a Phillips screwdriver to secure the shield with the 5 screws (from Step 3 in the previous

procedure).

13. Reattach the ribbon cable to the back of the unit.

14. Close the unit, and tighten the front panel with the 4 captive screws.

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