EXPLANATION OF COLUMNS IN THE MAC.

TM 9-6920-746-12&P

c, Remove/Install. To remove and install the same item when required to perform service or other maintenance

functions. Install may be the act of emplacing, seating, or fixing into position a spare, repair part, or module (component or

assembly) in a manner to allow the proper functioning of the equipment or system.

d. Replace. To remove an unserviceable item and install a serviceable counterpart in its place. "Replace" is

authorized by the MAC and is shown in the 3d position of the SMR code.

e. Repair. The application of maintenance services or other maintenance actions to restore serviceability to an

item by correcting specific damage, fault, malfunction, or failure in a part, subassembly, module (component or assembly),

end item or system.

B-3. EXPLANATION OF COLUMNS IN THE MAC.

a. Column 1, Group Number. Column 1 lists functional group code numbers, the purpose of which is to identify

components, assemblies, subassemblies, and modules with the next higher assembly.

b. Column 2, Component/Assembly. Column 2 contains the names of components, assemblies, subassemblies,

and modules for which maintenance is authorized.

B-2