TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 1119 of 1275
TM 9-2350-311-20-1 B-3 EXPLANATION OF COLUMN ENTRIES IN THE MAC — CONTINUED d. Column 4— Continued the tasks within the listed maintenance function vary at different maintenance categories, the approximate "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 operating 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 for the maintenance functions authorized in the MAC. This figure does not include anytime for performance of the preliminary tasks listed elsewhere in the MAC, e.g., removal of engine under repair of fuel pump when the engine is listed separately in the MAC. The symbol designations for the various maintenance levels are as follows: C — Operator or crew O — Unit maintenance F — Direct support maintenance H — General support maintenance D — Depot maintenance l — Work times are included in DMWR e. Column 5 Tools and Equipment, Column 5 specifies by code, those common tool sets and special tools, test, and support equipment required to perform the designated function. f. Column 6 Remarks, Column 6 contains an alphabetic code. An exception is authorized for ammunition MAC to permit the redesignation of maintenance function headings to more adequately identify ammunition maintenance functions. The heading designations and definitions will be included in the appropriate technical manual for each category of ammunition. Services — inspect, test, service, adjust, aline, calibrate, or replace. Actions — welding, grinding, riveting, straightening, facing, remachining, or resurfacing. B-4