then only at the depot maintenance category. Rebuild
Column 4, Tools and Equipment. Column 4
reduces to zero the hours or miles the equipment, or
specifies, by code, those tools and test equipment
component thereof, has been in use.
required to perform the designated function.
numbers appearing in this column refer to specific tools
SYMBOLS. The uppercase letter placed in
and test equipment which are identified in table I.
the appropriate column indicates the lowest level at
e. Column 5, Remarks.
which that particular maintenance function is to be
C-4. Explanation of Format of Table I (Tool and Test
C-3. Explanation of Format
The columns in table I are as follows:
a. Column 1, Group Number. Not applicable.
b. Column 2, Functional Group. Column 2
a Tools and Equipment. The numbers in this
lists the noun names of components, assemblies, sub-
column coincide with the numbers used in the tools and
assemblies and modules on which maintenance is
equipment column of the Maintenance Allocation Chart.
The numbers indicate the
applicable tool for the
Column 3 lists the maintenance category at which
b. Maintenance Category. The codes in this
performance of the specific maintenance function is
column indicate the maintenance category normally
authorized. Authorization to perform a function at any
allocated the facility.
category also includes authorization to per- form that
function at higher categories. The codes used represent
c. Nomenclature. This column lists tools, test,
the various maintenance categories as follows:
and maintenance equipment required to perform the
d. Federal Stock Number. This column lists
the Federal stock number of the specific tool or test
Direct support maintenance
General support maintenance
Tool Number. Not used.