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Appendix A: REFERENCES - TM-55-1730-202-140028
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TM-55-1730-202-14 Jack Hydraulic Tripod Type B-5 Part Number 50K25177 Manual
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DEVIATIONS. - TM-55-1730-202-140030
TM
55-1730-202-14
MAINTENANCE ALLOCATION CHART
(8) Replace. To replace unserviceable items
1. PURPOSE.
with serviceable assemblies, subassemblies, or
The purpose of the maintenance allocation
parts.
chart is to provide all activities with maintenance
(9) Repair. To restore an item to serviceable
functions to be performed at each level of main-
condition. This includes, but is not limited to,
tenance.
inspection,  cleaning, preserving, adjusting, re-
placing, welding, riveting, and strengthening.
2. DEFINITIONS.
(10) Overhaul. To restore an item to a com-
a. Column 1, Group Number. Column 1 lists
pletely serviceable condition as prescribed by
group numbers, the purpose of which is to iden-
maintenance
serviceabilty
standards
prepared
tify components, assemblies, subassemblies, and
and published for the specific item to be over-
modules with the next higher assembly.
hauled.
b. Column 2, Functional Group. Column 2
(11) Rebuild. To restore an item to a stand-
lists the noun names of components, assemblies,
ard as nearly as possible to original or new con-
subassemblies, and modules on which mainte-
dition in appearance, performance, and life ex-
nance is authorized.
c. Column 3, Maintenance Functions. M a i n -
pectancy. This is accomplish through complete
tenance functions will be limited to and defined
disassembly of the item, inspection of all parts
as follows:
or components, repair or replacement of worn or
(1) Inspect. To determine serviceability of
unserviceable elements (items) using original
manufacturing tolerances and specifications, and
an item by comparing its Physical, mechanical,
and electrical characteristics with estblished
subsequent reassembly of the item.
standards.
( 1 2 ) Symbols. The symbol O, F, H, or D
(2) Test. T  O verify serviceability and to de-
placed in the appropriate column indicates the
tect electrical or mechanical failure by use of test
level responsible for performing that particular
equipment.
maintenance function. The symbol "%%" which
(3) Service. To clean, to preserve, to charge,
applies to organizational maintenance indicates
and to add fuel, lubricants, cooling agents, and
the level responsible for performing that particu-
air. If it is desired that elements, such as painting
l a r maintenance function may be performed
and lubricating, be defined separately, they may
provided it `s specifically authorized by the direct
be so listed.
support maintenance officer. Use of the symbol
(4) Adjust. To rectify to the extent neces-
will apply only to replacement of major assem-
sary to bring into proper operating range.
blies and time-consuming operations which are
(5) Align. To adjust specified variable ele-
within the capabilities of organization, but over
ments of an item to bring to optimum performa-
which control by the commodity commands is
nce.
considered essential. In no case will the direct
(6) Calibrate. To determine the corrections
support maintenance officer require the accom-
to be made in the readings of instruments or test
plishment of a "%%" maintenance function by
equipment used in precise measurement. Con-
an organization or unit, and in no case will a
sists of the comparison of two instruments, one
"%%" function authorize stockage of parts at
of which is a certified standard of known accu-
organizational level.
racy, to detect and adjust any discrepancy in the
d. Column 4, Tools and Equipment. This col-
accuracy of the instrument being compared with
umn will be used to specify, by rode, those tools
the certified standard.
a n d test equipment required to perform the
(7) Install. To set up for use in an oper-
designated function.
ational environment such as an emplacement,
site, or vehicle.
e. Column 5, Remarks. Self-explanatory.

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