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Page Title:
APPENDIX B MAINTENANCE ALLOCATION CHART |
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 TM 5-6115-423-15
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section 1. INTRODUCTION
1. General
F -- Direct support maintenace
H -- General support maintenance
a. This section provides a general explana-
D -- Depot maintenance
tion of all maintenance and repair functions
The maintenance functions are defined as
authorized at various maintenance levels.
follows:
b. Section II designates overall responsibil-
ity for the performance of maintenance oper-
A--Inspect: Verify serviceability and detect
ations on the identified end item or component.
incipient electrical or mechanical fail-
The implementation of the maintenance tasks
ure by close visual examination.
upon the end item or component will be con-
B-Test: Verif y serveability and detect
sistent with the assigned maintenance oper-
incipient electrical or mechanical fail-
ations.
ure by measuring the mechanical or elec-
c. Section III lists the special tools and test
trical characteristics of the item and com-
equipment required for each maintenance oper-
paring those characteristics with author-
ation as referenced from section II.
ized standards. Tests will be made com-
mensurate with test procedures and
2. Explanation of Columns in Section II
with calibrated tools and/or test equip-
ment referenced in the maintenance
a. Functional Group Number. The function-
assignment.
al group is a numerical group set up on a
C-Service: Operations required periodical-
functional basis. The applicable functional
ly to keep the item in proper operating
grouping indexes (obtained from TB 750-93-
condition, i.e., to clean, preserve, drain,
1, Functional Grouping Codes) are listed on
paint, and replinish fuel, lubricant, hy-
the Maintenance Assignment in the ap-
draulic, and deicing fluids, or com-
propriate numerical sequence. These indexes
pressed air supplies.
are normally set up in accordance with their
D--Adjust: Regulate periodically to pre-
function and proximity to each other.
vent malfunction. Adjustments will be
b. Component
Assembly
Nomenclature.
made commensurate with adjustment
This column contains a brief description of the
components of each functional group.
procedures and associated equipment
c. Maintenance Functions and Maintenence
adjustment specifications.
Categories. This column lists the various main-
E-Align: Adjust two or more compo-
tenance functions (A through K) and indicates
nents of an electrical of mechanical
the lowest maintenance category authorized to
system so that their functions are prop-
perform these operations. The symbol designa-
erly synchronized or adjusted.
tions for the various maintenance categories are
F--Calibrate: Determine, check, or rectify
as follows:
the graduation of an instrument
weapon, or weapons system or compo-
C -- Operator or crew
nents of a weapons system.
O -- Organizational maintenance
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