TM-9-2990-206-34P
TURBOSUPERCHARGER AlRESEARCH MODEL T18C01
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)
TM-9-2990-206-34P - Page 62 of 85
PE
PF
PG
KD
KF
KB
MO
MF
MH
MD
AO
AF
AH
AD
B-2
Support equipment procured and
stocked for initial issue or
outfitting to specified main-
tenance repair activities.
Support equipment which will not
be stocked but which will be
centrally procured on demand.
Item procured and stocked to pro-
vide for sustained support
for the life of the equipment.
It is applied to an item pecu-
liar to the equipment which,
because of probable discontin-
uance or shutdown of produc-
tion facilities, would prove
uneconomical to reproduce at
a later time.
An item of a depot overhaul/re-
pair kit and not purchased
separately.
Depot kit defined
as a kit that provides items
required at the time of over-
haul or repair.
An item of a maintenance kit and
not purchased separately.
Maintenance kit defined as a
kit that provides an item that
can be replaced at organi-
zational or intermediate
levels of maintenance.
Item included in both a depot
overhaul/repair kit and a
maintenance kit.
Item to be manufactured or fab-
ricated at organizational
level .
Item to be manufactured or fab-
ricated at the direct support
maintenance level.
Item to be manufactured or fab-
ricated at the general support
maintenance level.
Item to be manufactured or fab-
ricated at the depot main-
tenance level.
Item to be assembled at organi-
zational level.
Item to be assembled at direct
support maintenance level.
Item to be assembled at general
support maintenance level.
Item to be assembled at depot
maintenance level.
XA
XB
xc
XD
Item is not procured or stocked
because the requirements for
the item will result in the
replacement of the next higher
assembly.
Item is not procured or stocked.
If not available through
salvage, requisition.
Installation drawing, diagram,
instruction sheet, field ser-
vice drawing, that is identi-
fied by manufacturer’s part
number.
A support item that is not
stocked.
When required,
item will be procured through
normal supply channels.
NOT E
Cannibalization or salvage
may be used as a source of
supply for any items coded
above except those coded XA.
(2) Maintenance Code. Main-
tenance codes are assigned to indicate
the levels of maintenance authorized
to USE and REPAIR support items. The
maintenance codes are entered in the
third and fourth positions of the Uni-
form SMR Code format as follows:
(a) The maintenance code en-
tered in the third position will indi-
cate the lowest maintenance level auth-
orized to remove, replace, and use the
support item.
The maintenance code
entered in the third position will indi-
cate one of the following levels of
maintenance:
Code
Application/Explanation
C
Crew or operator maintenance
performed within organizational
maintenance.
O
Support item is removed, re-
placed, used at the organi-
zational level.
TM 9-2990-206-34&P
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