TM 5-3820-239-15
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTlON
tions for the various maintenance categories
C-1. General
are as follows:
a. This section provides a general explana-
C - Operator or crew
tion of all maintenance and repair functions
O - Organizational maintenance
authorized at various maintnance levels.
F - Direct support maintenance
H - General support maintenance
b. Section II designates pverall responsibil-
D - Depot maintenance
ity for the performance of maintenancde oper-
The maintenance functions are defined as
ations on the identified end item or component.
follows:
The implementation of the maintenance tasks
upon the end item or component will be con-
A- INSPECT
Verify serviceability and detect
sistent with the assigned maintenance opera-
incipient electrical or mechani-
tions.
cal failure by close visual ex-
amination.
c Section III lists the special tools and test
Verify serviceability and detect
B- TEST
equipment required for each maintenance op-
incipient electrical or mechani-
ation as referenced from section II.
cal failure by measuring the
d. Section IV contains supplemental
mechanical or electrical charac-
structions, explanatory notes and /or illustra-
teristics of the item and com-
tions required for a particular maintenance
paring those characteristicsr
with authorized standards.
function.
Tests will be made commen-
surate with test procedures and
C-2. Explanation of Column
with calibrated tools and/or
test equipment referenced in
a. Functional Group Number. The func-
the Maintenance Assignment.
tional group is a numerical group set up on a
Operations required periodically
C- SERVICE
functional basis. The applicable functional
to keep the item in proper
grouping indexes (obtained from TB 750-93-
operating condition, i.e., to
1, Functional Grouping Codes) are listed on
clean, preserve, drain, paint,
and replenish fuel, lubricants,
the Maintenance Assignment in the appropri-
hydraulic, and deicing fluids,
ate numerical sequence. These indexes are
or compressed air supplies.
normally set up in accordance with their func-
D- ADJUST:
Regulated periodically to pre-
tion and proximity to each other.
vent malfunction. Adjust
b. Component Assembly Nomenclature.
ments will be made commen
This column contains a brief description of the
surate with adjustment pro-
cedures and associated equip
components of each functional group.
ment adjustment specifications.
c. Maintenace Functions and Maintenance
E-ALINE:
Adjust two or more components
Categories. This column lists the various main-
of an electrical or mechanical
tenance functions (A through K) and indicates
system so that their functions
the lowest maintenance category authorized to
are properly synchronized or
perform these operations. The symbol designa-
adjusted.
