Column Entries.

h. Replace. The act of substituting a serviceable like type part,

subassembly, or module (component or assembly) for an unservice-

able counterpart.

i. Repair. The application of maintenance services (inspect, test,

service, adjust, align, calibrate, replace) or other maintenance ac-

tions (welding, grinding, riveting, straightening, facing, remachin-

ing or resurfacing) to restore serviceability to an item by correct-

ing specific damage, fault malfunction, or failure in a part , subas-Text

sembly, module (componector assembly), end item, or system. This

function does not include the trail and error replacement of running

spare type item such as fuses , lamps or electrons tubes

j.Overhaul. That maintenance effort (service/action) necessary to

restore an item to a completely serviceable/operational condition is

prescribed by maintenance performed by the Army. Overhaul does not normally

technical publications . Overhaul is normally the highest degree of

maintenance performed by the Army. Overhaul does not normally

return an item to like new condition

k. Rebuild. 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.

The rebuild operation includes the act of returning to zero those age

measurements (hours, miles, etc.) considered in classifying Army

equipments/components.

C-3. Column Entries.

a. Column 1 Group Number. Column 1 lists group numbers, the

p u r p o s e of which is to identify components, assemblies, subas-

semblies, and modules with the next higher assembly.

b. CO lumn 2 Component/Assembly. Column 2 contains the noun

names of components, assemblies, subassemblies, and modules for

which maintenance is authorized.

c. Column 3, Maintenance Functions. Column 3

lists the func-

tions to be performed on the item listed in column

2. When items

are listed without maintenance functions, it is solely

for purpose of

having the group numbers in the MAC and RPSTL

coincide.

d. Column 4 , Maintenance Category. Column 4 specifies, by the

listing of a "worktime" figure in the appropriate subcolumn(s), the

l o w e s t level of maintenance authorized to perform the function

listed in column 3. This figure represents the active time required to

p e r f o r m that maintenance function at the indicated category of

C-2