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TM 10-3835-231-13
B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION II. - continued
d.
Column 4. Maintenance Level. Column 4 specifies each level of maintenance authorized to perform each
function listed in column 3, by indicating work time required (expressed as man-hours in whole hours or decimals) in the
appropriate subcolumn. This work-time figure represents the active time required to perform that 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 figures are to be shown for each level. The worktime figure
represents the average time required to restore an item (assembly, subassembly, component, module, end item, or
system) to a serviceable condition under typical field operating conditions. This time includes preparation time (including
any necessary disassembly/assembly time), troubleshooting/fault location time, and quality assurance time in addition to
the time required to perform the specific tasks identified for the maintenance functions authorized in the maintenance
allocation chart. The symbol designations for the various maintenance levels are as follows:
C .........................................................................................................Operator or Crew Maintenance
L..........................................................................................................Specialized Repair Activity (SRA) 5
O .........................................................................................................Unit Maintenance
F..........................................................................................................Direct Support Maintenance
H .........................................................................................................General Support Maintenance
D .........................................................................................................Depot Maintenance
e.
Column 5. Tools and Equipment Reference Code. Column 5 specifies, by code, those common tool sets (not
individual tools) common, TMDE, and special tools, special TMDE, and special support equipment required to perform the
designated function. Codes are keyed to tools and test equipment in section III.
f.
Column 6. Remarks. When applicable, this column contains a letter code, in alphabetical order, which is keyed
to the remarks contained in Section IV.
B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III.
a Column 1. Reference Code. The tool and test equipment reference code correlates with a code used in the
MAC, Section II, Column 5.
b.
Column 2. Maintenance Level. The lowest level of maintenance authorized to use the tool or test equipment.
c.
Column 3, Nomenclature. Name or identification of the tool or test equipment.
d.
Column 4. National Stock Number. The National stock number of the tool or test equipment.
e.
Column 5. Tool Number. The manufacturer's part number or type number.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a Column 1. Remarks Code. The code recorded in column 6, Section II.
b.
Column 2. Remarks. This column lists information pertinent to the maintenance function being performed as
indicated in the MAC, Section II.
5
This maintenance level is not included in Section II, column (4) of the Maintenance Allocation Chart.
Functions to this level of maintenance are identified by a work-time figure in the "H" column of Section II, column (4), and
an associated reference code is used in the Remarks column (6). This code is keyed to Section IV, Remarks, and the
SRA complete repair application is explained there.
B-3
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