MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
A-Inspect: To determine serviceability of an
item by comparing its physical, mechanical, and
a. T h i s s e c t i o n p r o v i d e s a g e n e r a l e x p l a n a t i o n
electrical characteristics with established stand-
of all maintenance and repair functions author-
i z e d at various maintenance levels.
B-Test: To verify serviceability and to detect
b. S e c t i o n
electrical or mechanical failure by use of test
f o r the performance of maintenance functions on
the identified end item or component. The im-
C-Service: To clean, to preserve, to charge,
plementation of the maintenance functions upon
the end item or component will be consistent
a i r . (If it is desired that elements, such as paint-
with the assigned maintenance functions.
ing and lubricating, be defined separately, they
c. Section III lists the special tools and test
may be so listed).
equipment required for each maintenance func-
D-Adjust: To rectify to the extent necessary
t i o n as referenced from section II.
to bring into proper operating range.
d. S e c t i o n I V c o n t a i n s s u p p l e m e n t a l i n s t r u c -
t i o n s or explanatory notes required for a particu-
ments of an item to bring to optimum perform-
lar maintenance function.
F-Calibrate: To determine the corrections to
C2. Explanation of Columns in Section II
be made in the readings of instruments or test
a. Group Number, Column (1). The
sists of the comparison of two instruments, one
b l y group number is a numerical group assigned
of which is a certified standard of known accu-
t o each assembly. The assembly groups are listed
r a c y , to detect and adjust any discrepancy in the
on the MAC is disassembly sequence beginning
with the first assembly removed in a top down
accuracy of the instrument being compared with
t h e certified standard.
G-Install: To set up for use in an operation-
a l environment such as an emplacement, site, or
umn contains a brief description of the compo-
n e n t s of each assembly group.
Maintenance Functions, Column (3), T h i s
w i t h serviceable like items.
I-Repair: Those maintenance operations nec-
(A through K). The upper case letter placed in
e s s a r y to restore an item to serviceable condition
through correction of material damage or a spe-
maintenance level authorized to perform these
functions. The symbol designations for the var-
c i f i c failure. Repair may be accomplished at each
i o u s maintenance levels are as follows:
l e v e l of maintenance.
J-Overhaul: Normally, the highest degree of
C-Operator or crew
maintenance performed by the Army in order to
m i n i m i z e time work is in process consistent with
F-Direct support maintenance
H-General support maintenance
quality and economy of operation. It consists of
t h a t maintenance necessary to restore an item to
The maintenance functions are defined as fol-