Bell System KS-16765 13 Service Manual

BELL SYSTEM PRACTICES
AT&TCo Standard
SECTION 034-354-801
Issue 4, March 1978
RECORDER
KS-16765 13
PIECE-PART DATA AND REPLACEMENT PROCEDURES
CONTENTS
1. GENERAL
2. PIECE-PART DATA
3. REPLACEMENT PROCEDURES
KS-15914 L1 or L2 Motor and Associated
Parts
B-650418 Motor and Associated Parts
L-517092 Motor and Associated Parts
Drive Assembly and Associated Parts
PAGE
2
4
14
15
16
17
Erase Coil and Associated Parts 19
Solenoids and Associated Parts 19
Carriage Return Pulley and Associated
Parts . . . . . . . 20
Bail and Carriage Assembly Parts 21
Feed Screw, Slide Rods, and Associated
Parts . . . . . . . . 24
Bail and Carriage Assemblies 25
Limit Switch and Associated Parts 25
1. GENERAL
1.01
This section covers information necessary
for ordering parts to be used in the maintenance
of the KS-16765 L3 recorder, which is part of the
KS-16765 Ll and L2 announcement set.
1.02
This section is reissued for the following
reasons:
(a) To add a new motor and replacement
procedure
(b) To add a voltage control module and
replacement procedure
(c) To add a new Fig. 2 and renumber the
remaining figures
(d) To include an addendum
(e) To make changes as required.
This reissue does not affect the Equipment Test
List.
1.03
Part 2 covers ordering information for those
parts of the recorder which it is practicable
to replace in the field. No attempt should be
made to replace parts not designated.
1.04
Part 3 covers the approved procedures for
the replacement of the parts covered in
Part 2.
1.05
Make Busy:
Before performing any work
on a set, the equipment is removed from
service in accordance with local instructions. The
equipment is not removed while running unless it
runs continuously, indicating a trouble condition.
When it is removed, a new unit is substituted
immediately.
1.06
Antiseize Compound: Whenever any
screws are removed which thread into the
aluminum casting of the recorder, they shall have
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A. Page 1