GAI-Tronics 10108-008 User Manual
Pub. 42006-011E
GAI-TRONICS® CORPORATION
A HUBBELL COMPANY
Field Maintenance Bulletin
Handset/Cord Replacement Procedure
Part No. 10108-107, 10108-10715 & 10108-10725
FOR MODEL 780 AND 7805 SERIES DIV. 1 HAZARDOUS AREA STATIONS
Confidentiality Notice
This manual is provided solely as an operational, installation, and maintenance guide and contains
sensitive business and technical information which is confidential and proprietary to GAI-Tronics. GAITronics 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 manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any
third party.
T ools Required
7/16-inch hex socket or combination wrench
Phillips screwdriver
Pipe wrench or channel-lock pliers
Hammer
Nail set or hardened 1/8-inch diameter rod, approximately 4 inches long
Torque wrench
Liability Disclaimer
NOTICE: Follow all the steps in the procedure outlined below to ensure personnel safety, to avoid
equipment damage, and to maintain agency approvals.
GAI-Tronics Corporation 400 E. Wyomissing Ave. Mohnton, PA 19540 USA
610-777-1374 800-492-1212 Fax: 610-796-5954
ISIT WWW.GAI-TRONICS.COM FOR PRODUCT LITERATURE AND MANUALS
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Pub. 42006-011E
M
ODEL 780 AND 7805 SERIES DIV. 1 HAZARDOUS AREA HANDSET/CORD REPLACEMENT Page 2 of 3
Procedure
WARNING
OTE: The internal outer edge of the front cover is machined. Take precautions to ensure that the finish
N
Disconnect power before making any repairs to a hazardous area station.
is preserved. If damaged, the explosion-proof integrity can be lost.
Figure 1. Replacement Handset with Cord and Amplifier Assembly
1. Turn off power.
2. Remove the 14 bolts (Ref. 1 typ.) from the front cover (Ref. 2) using a socket or a combination
wrench.
3. Lift off the front cover, and disconnect the flat ribbon cable (Ref. 3).
4. Remove the four screws (Ref. 4) that hold the amplifier assembly (Ref. 5) to the front cover (Ref. 2).
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