Bell System KS-13834 L1 Adjusting Instructions

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BELL SYSTEM PRACTICES
AT&TCo Standard
SECTION 034-305-701
Issue 8, December 1975
KS-13834 L 1 PERFORA TOR
(TROUBLE RECORDER)
REQUIREMENTS AND ADJUSTING PROCEDURES
1. GENERAL
1.01
This section covers the KS-13834 Ll perforator
(Fig. 1 and 2) used for recording troubles
m
• 4A and 4M toll central offices
• No. 5 crossbar central offices equipped with
master test frame (MTF) and not arranged
for wideband
• Crossbar tandem, step-by-step, and No. 1
crossbar central offices when arranged for
automatic message accounting (AMA).
1.02
This section is reissued for the following
reasons:
(a) To delete reference to (6) from 3.02 under
ECCENTRIC SHAFTS in Table A
(b) To update the List of Tools, Gauges, Materials,
and Test Apparatus
(c) To make minor changes as required.
This reissue does not affect the Equipment Test
List.
1.03
Reference shall be made to Section 020-010-711
covering general requirements and definitions
for additional information necessary for the proper
application of the requirements listed herein.
Definitions
1.04
Asterisk
(*):
Requirements are marked with
an asterisk when to check for them would
necessitate dismantling or dismounting of apparatus
or affect the adjustment involved or other adjustments.
Except where otherwise instructed, no check need
be made for these requirements unless the apparatus
or part is made accessible for other reasons or its
performance indicates that such a check is advisable.
1.05
Home position of the perforator is the
position at completion of an operating cycle.
In the home position, the backward stop pawl fully
engages the notch in the brake cam and the index
lines of the card feed mechanism are aligned within
1/32 inch.
Caution: When manually advancing the
perforator to the home position using the
manual control handle, make certain that
the position defined above is reached and
that the forward stop cam does not prevent
the latch armature from operating. Check
and make sure that the LCH armature is
free to operate the forward stop roller.
1.06
Neutral position of the clutch drive control
shaft is the shaft position under control of
the centering plungers when neither the INT or
CONT solenoids are energized .
1.07
A pair of contacts as referred to in this
section consists of a single contact on one
contact spring and the corresponding contact on
the opposing contact spring.
1.08
The term make contact or break contact
applies to the electrical circuit between two
springs. Contact make, associated with bifurcated
contacts (parallel contacts), may involve the closure
of only one pair of the two parallel pairs of contacts.
Contact break, associated with bifurcated contacts,
involves the opening of both parallel pairs of
contacts.
1.09
Use of 510C Test Lamp: The 510C test
lamp equipped with a 561A straight tip or
NOTICE
Not for use or disclosure outside the
Bell System except under written agreement
Printed in U.S.A.
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