Maintenance - AT&T Bell System 755A Reference Manual

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door assembly can only be partially
opened. To fully open the door it is
necessary that they be disconnected.
Dress all wiring before closing and
locking the door of set.
(OPTIONAL) RINGER
MOUNTING HOLES
Fig. 2-•842613390 Network and Chassis
Assembl~
ISS 3, SECTION 502-750-105
4. MAINTENANCE
4.01
Field maintenance of the 755A and 755AM
telephone set consists of checking for loose
or broken connections, replacement of defective
components and cleaning exterior of set. Refer to
ordering guide for list of replaceable parts.
4.02
Replace complete network and chassis assembly
if network is found to be defective. Network
is riveted to chassis assembly at factory.
4.03
To replace a defective handset or armored
cord it is necessary to replace the complete
handset assembly. Refer to 2.09.
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