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Page Title: APPENDIX B. MAINTENANCE ALLOCATION CHART
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M A I N T E N A N C E ALLOCATION CHART
Section I. INTRODUCTION
C--Service. To clean, to preserve, to charge, and
B-1. General
to add fuel, lubricants, cooling agents, and
a. This section provides a general explanation of
air. If it is desired that elements, such as
all maintenance and repair functions authorized at
p a i n t i n g and lubricating, be defined
various maintenance levels.
separately, they may be so listed.
b. Section II designates overall responsibility for
D--Adjust. To rectify to the extent necessary to
the performance of maintenance functions on the
bring into proper operating range.
i d e n t i f i e d end item or component. The im-
E--Align. To adjust specified variable elements
plementation of the maintenance functions upon
of an item to bring to optimum performance.
the end item or component will be consistent with
F--Calibrate. To determine the corrections to be
the assigned maintenance functions.
made in the readings of instruments or test
c. Section III lists the special tools and test
equipment used in precise measurement.
equipment required for each maintenance function
Consists of the comparison of two in-
as referenced from Section II.
struments, one  of which is a certified
d. Section IV contains supplemental in-
standard of known accuracy, to detect and
structions, explanatory notes and/or illustrations
adjust any discrepancy in the accuracy of the
required for a particular maintenance function.
instrument being compared with the cer-
B-2. Explanation of Columns in Section II
tified standard.
a. Group Number, Column (1). The assembly
G--Install. To set up for use in an operational
group is a numerical group assigned to each
environment such as an emplacement, sit, or
assembly in a top down breakdown sequence. The
vehicle.
applicable assembly groups are listed on the MAC
H--Replace. To replace unserviceable items
in disassembly sequence beginning with the first
with serviceable like items.
assembly removed in a top down disassembly
I -- R e p a i r . Those maintenance operations
sequence.
necessary to restore an item to serviceable
b. Functional Group. Column (2). This column
condition through correction of material
contains a brief description of the components of
damage or a specific failure. Repair may be
each functional group.
accomplished at each category of main-
c. Maintenance Functions, Column (3). This
tenance.
column lists the various maintenance functions (A
J--Overhaul. Normally, the highest degree of
through K) and indicates the lowest maintenance
maintenance performed by the Army in
category authorized to perform these functions.
order to minimize time work in process is
The symbol designations for the various main-
consistent with quality and economy of
tenance categories are as follows:
operation. It consists of that maintenance
necessary to restore an item to completely
C--Operator or crew
serviceable condition as  prescribed by
O--Organizational maintenance
in  technical
maintenance  standards
F--Direct support maintenance
publications for each item of equipment.
H--General support maintenance
Overhaul normally does not return an item
D--Depot maintenance
to like new. zero mileage, or zero hour
The maintenance functions as defined as follows:
condition.
K--Rebuild. The highest degree of materiel
A--Inspect. To determine serviceability of an
maintenance.  I t consists of restoring
item by comparing its physical. mechanical,
equipment as nearly as possible to new
with
characteristics
and
electrical
condition in  accordance  with  original
established standards.
manufacturing standards. Rebuild is per-
B--Test. To verify serviceability and to detect
formed only when required by operation
electrical or mechanical failure by use of test
considerations or other paramount factors
equipment.
B-1

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