Bell System Plant Series Adjusting Instructions

BELL SYSTEM PRACTICES
Plant Series
SECTION 034-300-701
Issue 3-D, February, 1966
AT&TCo Standard
AMA PERFORA TORS
D-175914 AND D-176283
REQUIREMENTS AND ADJUSTING PROCEDURES
1. GENERAL
1.01
This section is reissued to revise the re-
quirements and procedures covering lubri-
cation and to revise the List of Tools, Gauges,
Materials, and Test Apparatus. Detailed reasons
for reissue will be found at the end of the sec-
tion.
1.02
Reference shall be made to Section
020-010-711 covering general requirements
and definitions for additional information neces-
sary for the proper application of the require-
ments listed herein.
1.03
Asterisk
(*):
Requirements are marked
with an asterisk when to check for them
would necessitate the dismantling or dismount-
ing of apparatus or would affect the adjustment
involved or other adjustments. No check need
be made for these requirements unless the ap-
paratus or part is made accessible for other
reasons or its performance indicates that such
a check is advisable.
1.04
One dip
of
KS-16832 L2 lubricant
or+i
KS-16326 LI oil for the purpose of this
section is the amount of lubricant or oil retained
on the KS-14164 brush after being dipped into
the lubricant or oil to a depth of 3/8 inch and
scraped lightly against the side of the container
as the brush is removed.
1.05
One drop of KS-16326 LI oil for the pur-
pose of this section is the amount of oil
discharged from the nozzle of the 486A oilcan
when the sides are depressed until a drop is
released.
1.06
Preparation of KS-16832 L2 Lubricant:
This lubricant is provided in 2-ounce and
1-pint containers. A small wide-mouth container,
such as the 2-ounce jar in which the lubricant
is available, should be used as a receptacle from
which to dispense the lubricant. If allowed to .J
stand more than 1 day without agitation, the..,
lubricant ingredients tend to separate; there-
fore, before each day's use, shake the container
of lubricant for approximately 30 seconds, to
insure mixing of the ingredients. The proper
method of shaking the I ubricant consists of re-
peated, rapid turning of the container to an up-
side down position and back to the upright
position. If the lubricant from a 1-pint container
is to be used, the lubricant must be mixed as just
described before it is poured into the smaller
container. Under storage conditions, the cover
should be tight on the container.
.J
1 .07
The standard point of measurement is a
point on the driving arm beneath the pawl
spring to which the driving pawl is fastened, see
Fig. 1.
1.08
The unoperated position
of
the splice con-
tact is that position where the rocker arm,
see Fig. 12 and 13, is resting against the front
edge of the opening in the tape chute or against
RATCHET WHEEL
OVERTHROW STOP
DRIVING PAWL
STANDARD POINT
OF MEASUREMENT
DRIVING ARM
OUTSIDE
INTERRUPTER
SPRING
Fig. 1 - Drum Advance Mechanism
©
American Telephone and Telegraph Company, 1966
Printed in U.S.A.
Page 1