maintenance. The quantities are
values below 0.5 will revert to the
based on 100 equipments to be
next lower number, fractional
maintained for a 15-day period.
values of 0.5 or larger will advance
to the next higher whole number.
(8) Illustration. The "Item No. " col-
umn lists the reference designa-
c. The number of parts authorized, de-
tions that appear on the part in the
termined after application of a and b above,
represent one prescribed load for a 15-day
equipment. These same designa-
period. The items and computed quantities
tions are also used on any
thereof must be on hand or on order at all
illustrations of the equipment. The
times.
numbers in the "Figure No. " col-
umn refer to the illustrations
d. Major commanders will determine
the number of prescribed loads second
where the part is shown in TM 11-
echelon units and organizations will carry.
2057A.
Unit and organizations authorized addi-
tional prescribed loads will utilize the
formula explained in a above but will
When this equipment is used by signal
multiply the number of equipments sup-
service organizations organic to the thea-
ported by the number of authorized pre-
ter headquarters or communication zones
scribed loads before completing the
to provide theater communications, those
f o r m u l a . Fractional values will be
repair parts authorized up to and including
rounded to whole numbers as described
fourth echelon are authorized for stockage
above.
by the organization operating this equip-
ment.
5. References
A maintenance allocation chart and basic
issue items list are contained in TM 11-
An asterisk (*) in the Column titled "15
2057A, Test Set TS-27B/TSM.
Day Maintenance Allowance per 100 Equip-
ments" indicates that an item is not au-
thorized for stockage but if required, may
be requisitioned for immediate use only.
Manual Improvements
The direct reporting, by the individual
user, of errors, omissions, and recom-
mendations for improving this equipment
The allowance factors are based on
a.
100 equipments. In order to determine the
manual, is authorized and encouraged. DA
number of parts authorized f or the specific
Form 2028 will be used for reporting these
number of equipments supported, the fol-
improvements. This form may be com-
lowing formula will be used and carried out
pleted using pencil, pen, or typewriter. DA
to two decimal places.
Form 2028 will be completed in triplicate
Specific number of equipments supported
and forwarded by the individual using the
allowance factor =
manual. An original and one copy will be
x
100
forwarded direct to: Commanding Officer,
Number of parts authorized.
U . S. Army Electronics Materiel
Support Agency, ATTN: SE LMS-ML, Fort
b. Fractiona1 values obtainted from
above computation will be rounded to whole
Monmouth, New Jersey, 07703. One infor-
numbers as follows:
mation copy will be furnished to the
(1) When the total number of parts au-
individual's immediate supervisor (of-
thorized is less than one, the quan-
ficer, noncommissioned officer, super-
tity authorized will be one.
visor, etc).
(2) For all values above one, fractional
