SECTION I: INTRODUCTION TM 9-2350-256-20c. COLUMN 3, MAINTENANCE FUNCTION This lists the functions to be performed on the item listed in column 2. (Fordetailed explanation of these functions, see paragraph B-2.)d. COLUMN 4, MAINTENANCE LEVEL This specifies each level of maintenance authorized to perform each functionlisted in column 3 by indicating work-time required (expressed as man-hours in whole hours or decimals) in theappropriate subcolumn. This work-time figure represents the active time required to perform that maintenance function atthe indicated level of maintenance. If the number or complexity of the tasks within the listed maintenance function vary atdifferent maintenance levels, appropriate work-time figures are to be shown for each level. The work-time figurerepresents the average time required to restore an item (assembly, subassembly, component, module, end item, orsystem) to a serviceable condition under typical field operating conditions. This time includes preparation time (includingany necessary disassembly/assembly time), fault location/troubleshooting time, and quality assurance time in addition tothe time required to perform the specific tasks identified for the maintenance functions authorized in the MAC. Thesymbol designations for the various maintenance levels are as follows:C ..................................Operator/Crew MaintenanceO ..................................Unit MaintenanceF...................................Direct Support MaintenanceL ...................................Specialized Repair Activity (SRA)5H ..................................General Support MaintenanceD ..................................Depot Maintenancee. COLUMN 5, TOOLS AND TEST EQUIPMENT REFERENCE CODE This specifies, by code, those common toolssets (not individual tools), common Test, Measurement, and Diagnostic Equipment (TMDE), and special tools, specialTMDE, and special support equipment required to perform the designated function. Codes are keyed to tools and testequipment in Section III.f. COLUMN 6, REMARKS When applicable, this contains a letter code, in alphabetical order.B4 EXPLANATION OF COLUMNS IN TOOLS AND TEST EQUIPMENT, SECTION IIIa. COLUMN 1, REFERENCE CODE This is correlated with the code used in the MAC, Section II, column 5.b. COLUMN 2, MAINTENANCE LEVEL This is the lowest level of maintenance authorized to use the tool or testequipment.c. COLUMN 3, NOMENCLATURE This is the name or identification of the tools or test equipment.d. COLUMN 4, NATIONAL STOCK NUMBER (NSN) This is assigned to the tool or test equipment; use it to request orrequisition the item.e. COLUMN 5, TOOL NUMBER This is the manufacturer's part number, model number, or type number.5 This maintenance level is not included in Section II, column 4 of the MAC. Functions to this level of maintenanceare identified by a work-time figure in the "H" column of Section II, column 4 and an associated referenced codeis used in the "Remarks" column, column 6.B-3
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business