GAI-Tronics 238 ADA User Manual

Pub. 42003-187A

GAI-TRONICS® CORPORATION

A HUBBELL COMPANY

Pole-Mounting Bracket Kit

Model 238

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 chnic al infor ma tion w hich is conf ident ial and pr op riet ary to GAI-Tro nics.
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

The Model 238 Pole-Mounting Kit is designed to mount the GTC Model WCB104 Wireless Call Box to a
4-inch nominal O.D. steel pole that has been installed in accordance with the applicable state highway
regulations for emergency access equipment. When this bracket is mounted at the correct height, it
supports the call box so that its highest auto-dial button is no higher than 48 inches above the ground.

An additional kit is also necessary to mount highway signs and mile markers to the pole. The hardware
nec essary to inst all either applicat ion is p rovi ded, and is lis ted b elow:

Qty Description

1 Bracket
2 U-bolts, 304 stainless steel
2 Bolts, 1/2-13 (used for call box installation)
4 Bolts, 1/4-20 (used for sign mounting)
4 Lock washers, split-ring, 304 stainless steel
2 Gasket, 1-inch O.D. (used for call box installation)
2 Gasket, 2-inch O.D. (used for call box installation)
4 Washers, flat, ¼-inch (used for sign mounting)
4 Nuts, 304 stainless steel

Installation

The Model 238 Pole-Mounting Bracket Kit can be used to mount either the call box or the highway mile
markers. Choose the app ropriate hardware p rovi ded for ea c h app lic ati on as f ollows :

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. 42003-187A

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ODEL 238 Pole-Mounting Br acket Kit Page: 2 of 3

Install the Pole- Mounting Bracke t for the Call Box

1. Install the supplied gaskets as shown in Figure 1. Remove the paper backing from the gaskets and

position them on the mounting bracket as shown. Place a 1-inch O.D. gaskets around each of the
½-inch mounting holes. Place one of the 2-inch O.D. gaskets on each side of the bracket over the

1.125-inch hole.

2. Mount the bracket by installing both supplied U-bolts around the exterior of the pole and through the

bracket. Ensure that the bracket wire access hole is located no more than 44.5 inches above the
ground wh ere th e c all - box user is expected t o sta nd. Refer t o Figure 1 sh own b el ow.

3. Tighten the nuts on the U-bolts to a 20 foot-pound torque using a torque wrench.

4. Using a 1- inc h diameter bit , drill throu gh the center hole of the mountin g brack et into the pole. The

mountin g b rac ket ser ves as a drill guid e. Do not dril l through the rear sid e of the p ole.

5. The r e main ing two ½-13 bolt s and t wo flat was hers are p rovid e d for mounting the call box. Refer to

GTC Publication 42004-327A for call box mounting instructions

Figure 1. Call Box Mounting Bracket Assembly

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