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TM 10-4930-248-13&P
APPENDIX
B
MAINTENANCE
ALLOCATION
CHART
Section
I. INTRODUCTION
B-1. GENERAL.
a.
This section provides a general
explanation
of all maintenance
and repair function
authorized
at
various
maintenance
categories.
b.
The Maintenance
Allocation Chart (MAC) in Section II designates
overall authority
and
responsibility
for performance
of maintenance
functions
on the identified
end item or component.
The application
of the maintenance
functions
to the end item or component
will be consistent
with
the capacities
and capabilities
of the designated
maintenance
categories.
c.
Section III lists the tools and test equipment
(both special tools and common tool sets) required
for
each maintenance
function
as referenced
from Section II.
d.
Section IV contains supplemental
instructions
and explanatory
notes for a particular
maintenance
function.
B-2. MAINTENANCE
FUNCTIONS.
Maintenance
functions
will be limited to and are defined as follows:
a.
Inspect.
To determine
the serviceability
of an item by comparing
its physical,
mechanical,
and/or
electrical
characteristics
with established
standards
through
examination
(e.g., by sight, sound, or
feel).
b.
Test. To verify serviceability
by measuring
the mechanical,
pneumatic,
hydraulic,
or electrical
characteristics
of an item and comparing
those characteristics
with prescribed
standards.
c.
Service.
Operations
required
periodically
to keep an item in proper operating
condition,
i.e., to
clean (includes
decontaminate,
when required),
to preserve,
to drain, to paint, or to replenish
fuel,
lubricants,
chemical
fluids, or gases.
d.
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 an
equipment
or system.
e.
Replace.
To remove an unserviceable
item and install a serviceable
counterpart
in its place.
"Replace"
is authorized
by the MAC and is shown as the 3rd position
code of the SMR code.
f.
Repair.
The application
of maintenance
services,
including
fault location/troubleshooting,
removal/installation,
and disassembly/assembly
procedures,
and maintenance
actions to identify
troubles,
and 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-1
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