TM 55-4920-384-13&P
the replacement of seals, fittings and items of com-
f. Normally there will be no deviation from the
mon hardware. Unserviceable reparable
assigned level of maintenance. In cases of opera-
modules/components and end items which are
tional necessity, maintenance functions assigned
beyond the capability of AVIM to repair will be
to a maintenance level may, on a one-time basis
evacuated to Depot Maintenance. This level will
and at the request of the lower maintenance level,
perform special inspections which exceed AVUM
be specifically authorized by the maintenance of-
capability. Provides quick response maintenance
ficer of the level of maintenance to which the func-
s u p p o r t , on-the-job training, and technical
tion is assigned, The special tools, equipment, ect.
assistance through the use of mobile maintenance
required by the lower level of maintenance to per-
contact teams. Maintains authorized operational
f o r m this function will furnished by the
r e a d i n e s s float. Provides collections and
maintenance level to which the function is assign-
classification services for serviceable/unser-
ed. This transfer of a maintenance function to a
viceable material. Operates a cannibalization ac-
lower maintenance level does not relieve the higher
tivity in accordance with AR 750-50. (The aircraft
maintenance level of the responsibility of the func-
maintenance company within the maintenance bat-
tion. The higher level of maintenance has the
talion of a division will perform AVIM functions
authority to determine:
consistent with air mobility requirements and con-
servation of personnel and equipment resources.
(1) If the lower level is capable of perform-
ing the work.
Additional intermediate maintenance support will
be provided by the supporting non-divisional
(2) If the lower level will require assistance
AVIM unit).
or technical supervision and on-site inspection.
B-2. Use of the Maintenance Allocation Chart.
(3) If the authorization will be granted.
a. The MAC assigns maintenance functions to
g. Organizational through depot maintenance of
the lowest level of maintenance based on past ex-
the US Army Electronics Command equipment
perience and the following consideration:
.
will be performed by designated US Army Elec-
(1) Skills available.
tronics Command personnel.
(2) Time required.
h. Changes to the MAC will be based on continu-
(3) Tools and test equipment required and/or
i n g evaluation and analysis by responsible
available.
technical personnel and on reports received from
field activities.
b. Only the lowest level of maintenance
authorized to perform a maintenance function is
B-3. Definitions.
indicated. If the lowest level of maintenance can-
not perform all tasks of any single maintenance
a. Inspect. To determine serviceability of an item
f u n c t i o n (e.g., test repair), then the higher
by comparing its physical, mechanical and elec-
maintenance level(s) that can accomplish addi-
trical characteristics with established standards.
tional tasks will also indicated.
b. Test. To verify serviceability and detect inci-
c. A maintenance function assigned to a
pient failure by measuring the mechanical or elec-
maintenance level will automatically be authoriz-
trical characteristics of an item and comparing
ed to be performed at any higher maintenance
those characteristics with prescribed standards.
level.
c. Service. To clean, to preserve, to charge, and to
d. A maintenance function that cannot be per-
formed at the assigned level of maintenance for
d. Adjust. To rectify to the extent necessary to
any reason may be ejaculated to the next higher
bring into proper operating range.
maintenance organization. Higher maintenance
e. Aline. To adjust specified variable elements of
levels will perform the maintenance functions of
an item to bring to optimum performance.
l o w e r maintenance levels when required or
directed by the appropriate commander.
f. Calibrate. To determine the corrections to be
made in the readings of instruments or test
e. The assignment of a maintenance function will
equipmentused in precise measurement. Consists
not be construed as authorization to carry the
of the comparison of the comparison of two in-
associated repair parts in stock. Authority to re-
struments, one of which is a ;certified standard of
quisition, stock, or otherwise secure necessary
known accuracy, t o detect and adjust any
repair parts will be as specified in the repair parts
discrepancy in the accuracy of the instrument or
B-2