be provided by the supporting non-divisional
a . Inspect. To determine serviceability of an
B-2. USE OF THE MAINTENANCE ALLOCATION
item by comparing its physical, mechanical and elec-
trical characteristics with established standards.
a. The Maintenance Allocation Chart assigns
maintenance functions to the lowest level of main-
b. Test. To verify serviceability by measuring
tenance based on past experience and the following
the mechanical or electrical characteristics of an
item and comparing those characteristics with
(1) Skills available.
(2) Time required.
C . Service. To clean, to preserve, to charge,
(3) Tools and test equipment required and/or
and to add fuel, lubricants, cooling agents and air.
b. Only the lowest level of maintenance authorized
d. Adjust. To rectify to the extent necessary to
to perform a maintenance is indicated.
bring into proper operating range.
c. A maintenance function assigned to a mainte-
nance level will automatically be authorized to be
e. Align. To adjust specified variable elements of
performed at any higher maintenance level.
an item to bring to optimum performance.
d. A maintenance function that cannot be per-
formed at the assigned level of maintenance for any
f. Calibrate. To determine the corrections to be
reason may be evacuated to the next higher mainte-
made in the readings of instruments or test equip-
nance organization. Higher maintenance levels will
ment used in precise measurement. Consists of the
perform the maintenance functions of lower mainte-
comparison of two instruments, one of which is a
nance levels when required or directed by the a p -
certified standard of known accuracy, to detect and
p r o p r i a t e commander.
adjust any discrepancy in the accuracy of the instru-
ment or test equipment being compared with the
e . The assignment of a maintenance function will
not be construed as authority to carry the associated
repair parts in stock. Authority to requisition,
g. Install. To set up for use in an operational
stock, or otherwise secure necessary repair parts
environment such as an emplacement, site or
will be as specified in the repair parts appendix.
f. Normally there will be no deviation from the
h. Replace. To replace unserviceable items with
assigned level of maintenance. In cases of opera-
serviceable assemblies, subassemblies or parts.
tional necessity, maintenance functions assigned to
a maintenance level may, on a one-time basis and at
i. Repair. To restore an item to serviceable
the request of the lower maintenance level, be spec-
condition through correction of a specific failure or
ifically authorized by the maintenance officer of the
unserviceable condition. This includes, but is not
level of maintenance to which the function is assigned.
limited to, inspection, cleaning, preserving, ad-
The special tools, equipment, etc. required by the
justing, replacing, welding, riveting, and
lower level of maintenance to perform this function
will be furnished by the maintenance level to which
the function is assigned. The transfer of a maintenance
J. Overhaul. To restore an item to a completely
function to a lower maintenance level does not relieve
serviceable condition as prescribed by maintenance
the higher maintenance level of the responsibility for
serviceability standards prepared and published for
the function. The higher level of maintenance has the
the specific item to be overhauled.
authority to determine:
(1) If the lower level is capable of performing the
k. Rebuild. To restore an item to a standard as
nearly as possible to the original or new condition
in appearance, performance, and life expectancy.
(2) If the lower level will require assistance or
This is accomplished through the maintenance
technical supervision and on-site inspection.
technique of complete disassembly of the item, in-
spection of all parts or components; repair or re-
(3) If the authorization will be granted.
placement of worn or unserviceable elements (items)
using original manufacturing tolerances and specifi-
cations, and subsequent reassembly of the item.
g. Organizational through depot maintenance of the
U.S. Army Electronics Command equipment will be
performed by designated U.S. Army Electronics
B-4. FUNCTIONAL GROUPS.
Standard functional groupings are not considered
h. Changes to the Maintenance Allocation Chart
feasible for aviation ground support equipment due to
will be based on continuing evaluation and analysis
variation and complexity. Therefore; variations to
by responsible technical personnel and on reports
functional groupings may occur.
received from field activities.