GAI-Tronics 12520-006, 12520-007 Push Button Replacement Kit for 293, 294, 297, 298 Series Emergency Phones User Manual

Page 2

Pub. 42003-173

ODELS

12520-006

AND

12520-007

OUND

USH

-B

UTTON

SSEMBLY

EPLACEMENT

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4. Use the wire cutters to snip the tie

wrap that is securing the push-
button assembly cable to the other
wires.

5. Unplug the push-button assembly

cable connector from the PCBA.
Be sure to note the location of the
connection for re-assembly.

6. For Model 293AL and 294AL:

Place the front cover assembly
face down on a flat surface.

For Model 293: Pull the front
cover assembly straight out and
away from the back box. Place
the front cover assembly face down on a flat surface.

7. Using the 1/8-inch straight slot screwdriver, loosen the anti-rotation screws on the mounting nut.

See Figure 1.

8. Remove and discard the push-button assembly, the mounting nut, and the mounting ring.

Installing the New Push-Button Assembly

1. From the front side of the panel, push the new push-button assembly through the hole. See Figure 1.

2. Secure the push-button assembly to the front cover using the mounting ring and the mounting nut. See

Figure 1.

OTE

: Ensure that the o-ring seal is in its proper location, as shown in Figure 1.

3. Tighten the anti-rotation screws on the mounting nut.

4. Model 293 only: Align the hinge plugs with the rear enclosure and push firmly into place.

5. Plug the push-button assembly cable into the PCBA at the proper location noted earlier.

6. Use the enclosed tie wrap to secure the push-button assembly cable to the other wires.

7. Reconnect the telephone line cord.

8. Model 293 only: Swing the front cover closed.

9. Align the front cover with the rear enclosure, and use the Model 233 Tamper-Resistant Screwdriver to

secure four front cover screws (previously saved).

Figure 1. Push-Button Switch Assembly,

Exploded View