Pub. 42006-011C
GAI-Tronics Corporation P.O. Box 1060, Reading, PA 19607-1060 USA
610-777-1374
n
800-492-1212
n
Fax: 610-775-6540
G A I - T R O N I C S C O R P O R A T I O N
Field Maintenance Bulletin
Handset/Cord Repair Procedure
Part# 10108-007, 10108-008 and 10108-009
F
OR
M
ODELS
780
AND
7805 D
IV
. 1 H
AZARDOUS
A
REA
S
TATIONS
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. 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 manual may not be disclosed in any form, in whole or in part, directly or indirectly, to any third party.
Tools Required
•
7/16-inch hex socket or combination wrench
•
Phillips screwdriver
•
Pipe wrench or channel lock pliers
•
Hammer
•
Nailset 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.
Procedure
WARNING
Disconnect power before making any repairs to a hazardous area station.
Note:
The internal outer edge of the front cover is machined. Take precautions to ensure that the finish is
preserved. If damaged, the explosion-proof integrity can be lost.
1.
Turn off power.
2.
Remove the 14 bolts from the cover using a socket or a combination wrench.
3.
Lift off the cover, and disconnect the flat ribbon cable.
4.
Remove the 4 screws which hold the amplifier assembly to the cover.