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Page Title:
HELICOPTER PREPARATION FOR USE AFTER C-17 SHIPMENT (TACTICAL SHIPMENT). |
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 TM 55-1520-238-S
a. Aircraft Logbook. Record all depreserva-
e. Connect Cargo Winch Cable to Helicop-
tion and assembly in aircraft logbook
ter. Couple hooks on forward winching
(DA PAM 738-751).
adapter cable (item 7, table 21) to helicop-
ter main wheel arm inboard towing eyes
b. Unpack Shipping Containers. Remove
all shipped (disassembled), boxed, or
direct coupling of the forward winching
crated helicopter components from ship-
adapter cable to cargo aircraft winch cable
ping containers, crates and cartons.
and take up cable slack.
c. Unload Fuselage Package. Remove all
f. Remove Tiedowns. Remove aircraft tie-
removed parts, equipment, and records
downs and wheel chocks. Maintain tension
stowed within the helicopter (catwalk area
on cargo aircraft cable restrain helicopter.
and pilots station).
d. Remove Wrapping and Cushioning Ma-
CAUTION
terial. Remove all tape, twine, barrier and
cushioning materials from shipped items
and helicopter airframe. Dispose of materi-
As helicopter moves off the ramp,
als properly.
under-belly clearance is critical.
The first critical clearance is the
NOTE
dopler antenna fairing to the ramp
Coated mounting surfaces, bolt holes,
crest. Ensure that fairing is far
and hardware of stowed wings may be
enough past ramp crest to permit
inaccessible for cleaning on helicopters
clearance prior to lowering ramp.
The second critical clearance en-
with the wings removed. These areas will
be cleaned after the wings are unstowed.
countered will be the gun cage to
e. Depreserve Coated Areas. Clean all pre-
ground clearance as the helicopter
servative material from coated areas. Re-
moves off the ramp. Adjust shoring
move all
tape
residue.
Refer to
under main wheels as required to
TM 1-1520-238-23 for applicable cleaning
maintain clearance.
procedures.
g. Winch Helicopter. Maneuver helicopter
onto cargo ramp. Restrain helicopter with
f. Depreserve Treated Items. Deprocess all
cargo aircraft winch. Stop helicopter prior to
insecticide and rodenticide-treated areas
the tail wheel moving off the ramp (ensure
(ref. to appendix F). Dispose of material
that the dopler antenna fairing is far enough
properly.
past ramp crest to permit clearance). Lower
242.5 Install Main Rotor Blades.
cargo aircraft ramp onto auxiliary ramps.
a. Unclamp Blades. Unclamp and remove
Maneuver helicopter off of cargo aircraft
two main rotor blades from each rack set
ramp and tow to staging area.
(fig. NO TAG).
241.11 OffLoad Four Main Rotor Blades.
242 HELICOPTER PREPARATION FOR USE
CAUTION
AFTER C-17 SHIPMENT (TACTICAL SHIPMENT).
All assembly will be strictly in accordance with refer-
enced TMs.
Ensure that blades are installed on the
same aircraft from which they were re-
242.1 Preliminary Safety Procedures. Before
moved and in the correct location as
starting operations, perform safety procedures outlined
indicated by the blade location color
in paragraph 242.2 and 242.3.
code.
b. Install Main Rotor Blades. Install main
242.3 Perform
Helicopter
Safety
Check.
rotor blades (TM 1-1520-238-23) using
TM 1-1520-238-23.
crane truck (item 13, table 21) and main
242.4 Unpacking and Depreservation.
rotor blade sling (item 14, table 21).
2100
Change 4
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