modules with trhe next higher assembly.
b. Column 2, Component/Assembly. Column 2
contains the name of components, assemblies,
subassemblies and module for which maintenance
c. Column 3, Maintenance Functions. Column 3
lists the functions to be performed on the item
listed in column 2. (For detailed explanation of
these functions, see paragraph B-2.)
d. Column 4, Maintenance Level. Column 4
specifies, by the listing of a work time figure in the
appropriate subcolumn(s), the lowest level of
maintenance authorized to perform the function
listed in column 3. This figure represents the ac-
tive time required to perform the maintenance
function at the indicated level of maintenance. If
the number or complexity of the tasks within the
listed maintenance function vary at different
maintenance levels, appropriate work time will be
shown for each level. The number of manhours
specified by the work time figure represents the
to restore an item
(assembly, subassembly, component, module, end
item, or system) to a serviceable condition under
typical field operating condition. This time in-
cludes preparation time, troubleshooting time, and
quality assurance/quality control time in addition
to the time required to perform the specific tasks
identified for the maintenance functions authoriz-
ed in the maintenance allocation chart. The symbol
designations for the various maintenance levels
are as follows:
e. Column 5, Tools and Equipment. Column 5
specifies, by code, those common tool sets (not in-
dividual tools) and special tools, test, and support
equipment required to perform to designated func-
f. Column 6, Remarks. This column shall con-
tain a letter code in alphabetical order which shall
be keyed to the remarks contained in Section IV.
B-4. Column Entries Used in Tool and Test Equip-
a. Column 1, Tool or Test Equipment Reference
Code. The tool and test equipment reference code
correlates with a maintenance function on the iden-
tified end item or component.
b. Column 2, Maintenance Level. The lowest
level of maintenance authorized to use the tool or
c. Column 3, Nomenclature. Name or identifica-
tion of the tool or test equipment.
d. Column 4, National/NATO Stock Number.
The National or NATO stock number of the tool
or test equipment.
e. Column 6, Tool Number. The manufacturers
B-5. Explanation of Columns in Section IV.
a. Reference Code. The code scheme recorded in
column 1, Section III.
b. Remarks. This column lists information per-
tinent to the maintenance function being perform-
ed as indicated on the MAC, Section II.
Operator or Crew
Direct Support Maintenance
General Support Maintenance