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TM 11-6660-204-25
replace) or other maintenance actions (welding,
B-1. General
grinding, riveting, straightening, facing, re-
This appendix provides a summary of the mainte-
machining, or resurfacing) to restore serv-
nance operations for AN/TMQ-5(*). It authorizes
iceability to an item by correcting specific damage,
c a t e g o r i e s of maintenance for specific mainte-
fault, malfunction, or failure in a part, subassem-
nance functions on repairable items and compo-
bly, module (component or assembly), end item, or
nents and the tools and equipment required to
perform each function. This appendix maybe used
j. Overhaul. That maintenance effort (service/
as an aid in planning maintenance operations.
action) necessary to restore an item to a completely
serviceable/operational condition as prescribed by
B-2. Maintenance Function
maintenance standards (i.e., DMWR) in appropri-
ate technical publications. Overhaul is normally
the highest degree of maintenance performed by
Maintenance functions will be limited to and
the Army. Overhaul does not normally return an
defined as follows:
item to like new condition.
a. Inspect. To determine the serviceability of an
k. Rebuild. Consists of those services/actions
item by comparing its physical, mechanical, and/or
n e c e s s a r y for the restoration of unserviceable
eletrical charactitistics with established stand-
equipment to a like new condition in accordance
ards through examination.
with original manufacturing standards. Rebuild is
b. Test. T O verify serviceability and to detect
the highest degree of materiel maintenance
incipient failure by measuring the mechanical or
applied to Army equipment. The rebuild operation
electrical characteristics of an item and comparing
includes the act of returning to zero those age
those characteristics with prescribed standards.
measurements (hours, miles, etc.) considered in
c. Service. Operations required periodically to
classifying Army equipments/components.
keep an item in proper operating condition, i.e., to
clean (decontaminate), to preserve, to drain, to
B-3. Column Entries
paint, or to replenish fuel, lubricants, hydraulic
fluids, or compressed air supplies.
a. Column 1, Group Number. Column 1 lists
group numbers, the purpose of which is to identify
d. Adjust. To maintain, within prescribed limits,
components, assemblies, subassemblies, and mod-
by bringing into proper or exact position, or by
ules with the next higher assembly.
setting the operating characteristics to the
b. Column 2, Component/Assembly. Column 2
specified parameters.
contains the noun names of components, as-
e. Align. To adjust specified variable elements of
an itim to bring about optimum or desired
semblies, subassemblies, and modules for which
maintenance is authorized.
c. Column 3, Maintenance Functions. Column 3
f. Calibrate. T  O determine and cause corrections
lists the functions to be performed on the item
to be made or to be adjusted on instruments or test
listed in column 2. When items are listed without
m e a s u r i n g and diagnostic equipments used in
maintenance functions, it is solely for purpose of
precision measurement. Consists of comparisons of
having the group numbers in the MAC and RPSTL
t w o instruments, one of which is a certified
standard of known accuracy, to detect and adjust
d. Column 4, Maintenance Category. Column 4
any discrepancy in the accuracy of the instrument
specifies, by the listing of a "work time" figure in
being compared.
the appropriate subcolumn(s), the lowest level of
g. Install. The act of emplacing, seating, or fixing
maintenance authorized to perform the function
into position an item, part, module (component or
listed in column 3. This figure represents the active
assembly) in a manner to allow the proper
time required to perform that maintenance func-
functioning of the equipment or system.
tion at the indicated category of maintenance. If
h. Replace. The act of substituting a serviceable
the number or complexity of the tasks within the
like type part, subassembly, or module (component
l i s t e d maintenance function vary at different
or assembly) for an unserviceable counterpart.
maintenance categories, appropriate "work time"
i. Repair. The application of maintenance serv-
f i g u r e s will be shown for each category. The
ices (inspect, test, service, adjust, align, calibrate,
Change 1 B-1

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