TM 5-3815-225-13&P
d.
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 the 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, appropriate "work time" figures will be shown for each
category. The number of man-hours specified by the "work time" figure represents the average time
required to restore an item (assembly, subassembly, component, module, and item, or system) to a
serviceable condition under typical field operating conditions. 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 for the maintenance functions authorized in the MAC.
A-2
