TM 5-3820-239-15
F-CALIBRATE:
Determine, check, or rectify the
each component part and re
graduation of an instrument,
assembling using serviceable
weapon, or weapons system or
rebuilt, or new assemblies,
components of a weapons sys-
subassemblies and parts.
tem.
d. Reference Note. This column, subdivided
G-INSTALL:
Remove and install the same
into columns L and M, is provided for refer-
item for service or when re-
encing the Special Tool and Test Equipment
quired for the performance of
Requirements (sec. III) and Remarks (sec. IV)
other maintenance operations.
that may be associated with maintenance func-
H-REPLACE:
Substitute serviceable compo-
tions (sec. II).
nents, assemblies and subas-
semblies for unserviceable
C-3. Explanation of Columns in Section III
counterparts.
I-REPAIR:
Restore to a serviceable condi-
a. Reference Code. This column consists of
tion by replacing unservice-
a number and a letter separated by a dash. The
able parts or by any other ac-
number references the Tools and Equipment
tion required using available
requirements column on the Maintenance As-
tools, equipment and skills,
signment. The letter represents the specific
including welding, grinding,
riveting, straightening, ad-
maintenance function the item is to be used
justing and facing.
with. The letter is representative of columns
J-OVERHAUL: Restore an item to a completely
A through K on the Maintenance Assignment.
serviceable condition (as
b. Maintenance Category. This column
prescribed by serviceability
shows the lowest level of maintenance author-
standards developed and pub
ized to use the special tool or test equipment.
lished by the commodity com-
c. Nomenclature. This column lists the name
mands) by employing tech-
niques of "Inspect and Repair
or identification of the tool or test equipment.
Only As Necessary" (IROAN).
d. Tool Number. This column lists the man-
Maximum use of diagnostic
ufacturer's code and part number, or Federal
and test equipment is com-
stock number of tools and test equipment.
bined with minimum disas-
sembly during overhaul. "Over-
haul" may be assigned to any
C-4. Explanation of Columns in Section IV
level of maintenance except
a. Reference Code. This column consists of
organizational, provided the
two letters separated by a dash, both of which
time, tools, equipment, repair
parts authorization, and tech-
are references to Section II. The first letter
nical skills are available at
references column M and the second letter
that level. Normally, over-
references a maintenance operation, columns A
haul applied to end items,
through K.
is limited to depot mainte-
b. Remarks. This column lists information
nance leval.
pertinent to the maintenance operation being
K-REBUILD:
Restore to a condition compara-
performed, as indicated on the Maintenance
ble to a new by disassembling to
Assignment section II.
determine the condition of
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