T h a t m a i n t e n a n c e e f f o r t ( s e r v i c e / a c t i o n)
necessary to restore an item to a completely serviceable/operational
condition as prescribed by maintenance standards (i.e., DMWR) in
a p p r o p r i a t e t e c h n i c a l p u b l i c a t i o n s.
Overhaul is normally the highest
degree of maintenance performed by the Army.
Overhaul does not
normally return an item to like new condition.
Consists of those services/actions necessary for
the restoration 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.
rebuild operation includes the act of returning to zero those age
measurements (hours/miles, etc.) considered in classifying Army
Columns used in the Maintenance Allocation Chart
are explained below:
Column 1, Group Number:
Column 1 lists group numbers, the
purpose of which is to identify components, assemblies, subassemblies,
and modules with the next higher assembly.
Column 2, Component/Assembly:
Column 2 contains the noun
names of components, assemblies, subassemblies, and modules for which
maintenance is authorized.
Column 3, Maintenance Functions:
Column 3 lists the
functions to be performed on the item listed in Column 2.
Column 4, Maintenance Category:
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 active time required to
perform that maintenance function at the indicated category of
If the number or complexity of the tasks within the
listed maintenance function vary at different maintenance categories,
a p p r o p r i a te "work time" figures will be shown for each category.
number of manhours specified by the "work time" figure represents the
average time required to restore an item to a serviceable condition.
This time includes preparation time, troubleshooting time, and quality
assurance/quality control time in addition to the time required to
perform the specific tasks identified in the Maintenance Allocation
Column 5. Tools and Equipment:
Column 5 specifies by code
those common tool sets (not individual tools) and special tools, t e s t
and support equipment required to perform the designated function.
Column 6. Remarks: Column 6 contains an alphabetic code
which leads to the remark in Section IV, Remarks, which is pertinent to
the item opposite the particular code.