TM-9-2320-283-13-P
ANTI-LOCK BRAKE SYSTEM (ABS) M915A1
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
AUGUST 2012
TM-9-2320-283-13-P - Page 370 of 400
TM 9-2320-283-13&P
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MAINTENANCE FUNCTIONS–CONTINUED
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 manhours 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 varies at different maintenance levels, appropriate work time figures
are to be shown for each level. The work time 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 MAC.
The symbol designations for the various maintenance levels are as follows:
Field:
C Crew maintenance
F Field maintenance
Sustainment:
L Specialized Repair Activity (SRA)
H Below depot maintenance
D Depot maintenance
NOTE
The “L” maintenance level is not included in column (4) of the
MAC. Functions to this level of maintenance are identified by
work time figure in the “H” column of column (4), and an
associated reference code is used in the REMARKS column (6).
This code is keyed to the remarks and the SRA complete repair
application is explained there.
Column (5) Tools and Equipment Reference Code. Column (5) specifies, by code, those common tool sets
(not individual tools), common Test, Measurement and Diagnostic Equipment (TMDE), and special tools,
special TMDE and special support equipment required to perform the designated function. Codes are keyed
to the entries in the tools and test equipment table.
Column (6) Remarks Code. When applicable, this column contains a letter code, in alphabetical order, which
is keyed to the remarks table entries.
Explanation of Columns in the Tools and Test Equipment Requirements
Column (1) – Tool or Test Equipment Reference Code. The tool or test equipment reference code correlates
with a code used in column (5) of the MAC.
Column (2) – Maintenance Level. The lowest level of maintenance authorized to use the tool or test
equipment.
Column (3) – Nomenclature. Name or identification of the tool or test equipment.
Column (4) – National Stock number (NSN). The NSN of the tool or test equipment.
Column (5) – Tool Number. The manufacturer’s part number.
Explanation of Columns in the Remarks
Column (1)–Remarks Code. The code recorded in column (6) of the MAC.
Column (2)–Remarks. This column lists information pertinent to the maintenance function being performed
as indicated in the MAC.
END OF WORK PACKAGE
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