TM 5-4310-226-15
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
The maintenance functions are defined as follows:
B-1. General
A-INSPECT.
a. This section provides a general explanation of
all maintenance and repair functions authorized at
To determine serviceability of an item by comparing
various maintenance levels.
its
physical,
mechanical,
and
electrical
characteristics with established standards.
the performance of maintenance functions on the
identified end item or component. The implementation
B-TEST.
of the maintenance functions upon the end item or
component will be consistent with the assigned
To verify serviceability and to detect electrical or
maintenance functions.
mechanical failure by use of test equipment.
c. No special tools and test equipment required.
C-SERVICE.
To clean, to preserve, to charge, to pant, and to add
B-2. Explanation of Columns in Section II
fuel, lubricants, cooling agents, and air.
a. Group Number, Column 1. The functional group
D-ADJUST.
is a numerical group set up on a functional basis. The
applicable functional grouping indexes (obtained from
To rectify to the extent necessary to bring into
TB 75093-1, Functional Grouping Codes) are listed on
proper operating range.
the MAC in the appropriate numerical sequence. These
indexes are normally set up in accordance with their
E-ALIGN.
function and proximity to each other.
To adjust specified variable elements of an item to
b. Functional Group. Column 2. This column ca s
bring to optimum performance.
a brief description af the components of each functional
group.
F-CAILIBRATE.
c. Maintenance Functions.
Column S.
This
column lists the various maintenance functions (A
To determine the corrections to be made in the
through K) and indicates the lowest maintenance
readings of instruments or test equipment used in
category authorized to perform these functions. The
precise measurement. Consists of comparisons of
symbol designations for the various maintenance
two instruments; one of which is a certified standard
categories are as follows:
of known accuracy, to direct and adjust any
discrepancy in the accuracy of the instrument being
C
-
Operator or crew
compared with the certified standard.
0
-
Organizational maintenance
F
-
Direct support maintenance
G-INSTALL
H
-
General support maintenance
D
-
Depot maintenance
To set up for use in an operational environment
such as an emplacement, site, or vehicle.
H-REPLACE.
To replace unserviceable items with serviceable
assemblies, subassemblies, or parts.
I-REPAIR.
To restore an item to serviceable condition.
B-1
