GAI-Tronics 51008-003, 51008-004 User Manual
Pub. 42003-093A
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Handset Pressbar Replacement Kits
Models 51008-003 and 51008-004
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
Model 51008-003 and 51008-004 Handset Pressbar Replacement Kits are for use on the following
models:
611 6165 711-002 7165-002 491-101 491-104 490-102 490-107
6115 701-202 7115-002 726-101 491-102 491-204 490-103 490-108
616 701-204 716-002 7265-101 491-103 490-101 490-104
Qty Description
1 Switch Contact Assembly
1 Membrane Assembly
1 Plate Cover
2 Phillips Screw
1 Plunger
1 Curved Spring
Remo ving the Old Pressbar
1. Loosen the two screws securing the pressbar. Lift off the plate cover, plunger, curved spring, and
membrane a ssembly. Dis c ard all removed part s.
2. Lift ou t and discard t he switch contact as sembly (rect angular plas tic cup), a nd disc onnec t the b lue and
yellow wires.
GAI-Tronics Corporation P.O. Box 1060, Readi ng, PA 19607-1060 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
V
Pub. 42003-093A
M
ODEL 51008-003 AND 51008-004 HANDSET PRESSBAR REPLACEMENT KITS Page: 2 of 2
Installing the New Pressbar
1. Secure the blue and yellow wires to the terminals in the switch contact assembly. Place the assembly
in the handset. See Figure 1.
2. Place the membrane assembly (copper piece with rubber center) in first, with the solid rubber side up.
3. Install the curved spring. Place the plunger in with the GAI-Tronics logo side up. Place the plate
cover on top.
4. Insert and tighten the Phillips screws.
Figure 1. Handset As semb ly with Pressb ar
\\s_eng\gtc proddoc s \st andard iom s - current release\42003 kit manuals \ 42003-093a.doc
11/94