TM-9-1040-267-20-P
LAUNCHER, GRENADE, SMOKE: SCREENING, RP, M243; RP, M257; RP, M259
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
FEBRUARY 1984
TM-9-1040-267-20-P - Page 72 of 108
B-2
j.
Overhaul.
That maintenance effort (service/action) prescribed to restore
an item to a completely serviceable/operational condition as required by
maintenance standards in appropriate technical publications (i.e., DMWR).
Overhaul is normally the highest degree of maintenance performed by the
Army. Overhaul does not normally return an item to like new condition.
k.
Rebuild.
Consists of those services/actions necessary for the restora-
tion of unserviceable equipment to a like new condition in accordance with
original manufacturing standards. Rebuild is the highest degree of materiel
maintenance applied to Army equipment. The rebuild operation includes the act
of returning to zero those age measurements (hours/miles, etc.) considered in
classifying Army equipment/components.
B-3. EXPLANATION OF COLUMNS IN THE MAC, SECTION II.
a.
Column 1, Group Number.
Column 1 lists functional group code num-
bers, the purpose of which is to identify maintenance significant components,
assemblies, subassemblies, and modules with the next higher assembly. End
item group number shall be “00.”
b.
Column 2, Component/Assemb/y.
Column 2 contains the names of
components, assemblies, subassemblies, and modules for which maintenance
is authorized.
c.
Column 3, Maintenance Function.
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 Category.
Column 4 specifies, by the listing of a
work time figure in the appropriate subcolumn(s), the category of maintenance
authorized to perform the function listed in column 3. This figure represents the
active time required to perform that maintenance function at the indicated
category of maintenance. If the number or complexity of the tasks within the
listed maintenance function vary at different maintenance categories, appro-
priate work time figures will be shown for each category. The work time figure
represents the average time required to restore an item (assembly, subassem-
bly, 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
TM 9-1040-267-20&P
time, and quality assurance/quality control 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 categories are as follows:
C............................................... .
Operator or Crew
O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Organizational Maintenance
F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct Support Maintenance
H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Support Maintenance
L
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Specialized Repair Activity (SRA6)
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Depot Maintenance
e.
Column 5, Took and Equipment.
Column 5 specifies, by code, those
common tool sets (not individual tools) and special tools, TMDE, and support
equipment required to perform the designated function.
f.
Column 6, Remarks.
This column shall, when applicable, contain a letter
code, in alphabetic order, which shall be keyed to the remarks contained in
section IV.
B-4. EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT
REQUIREMENTS, SECTION Ill.
a.
Column
7,
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
Category. The lowest category 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.
B-5. EXPLANATION OF COLUMNS IN REMARKS, SECTION IV.
a.
Column 7, Reference Code.
The code recorded in column 6, Section Il.
b.
Column 2, Remarks.
This column lists information pertinent to the
maintenance function being performed as indicated in the MAC, section Il.
This maintenance category
IS not included m Section 11, column (4) of the Maintenance Allocation Chart. To Identtfy funchons to this category of
maintenance, enter a work time figure In the “H” column of SectIon II, column (4), and use an associated reference code in the Remarks column (6). Key the
code to SectIon IV, Remarks, and explain the SRA complete repair application there. The explanatory remark(s) shall reference the specific Repair Parts and
Special Tools List (RPSTL) TM whtch contains additional SRA crkerla and the authorized spare/repair parts.
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