Figure 231. Positioning of Jack Adapters at Vertical Stabilizer

TM 55-1520-238-S

228.15 Load

Two

Horizontal

Stabilators.

e. Position Jack Adapter. Place jack

Position two stabilators on right side of cargo deck, un-

adapter under vertical stabilizer and align

der helicopter number two tail rotor and left engine (fig.

9 fittings (pin retainer) with vertical stabi-

FO2).

lizer upper sling pin receptacle and install

pins into receptacles.

228.16 Load Two Doghouse Fairings. Position

two doghouse fairings on cargo deck inboard of horizon-

f. Raise or Lower Adapter. Using jack

tal stabilators, under helicopter number 2 tailboom (fig.

handle raise or lower adapter and position

FO2).

pin retainers around 11 pins. Close pin

228.17 Load Two M230 Guns. Position two packed

retainers and rotate knobs to lock pins in

gun containers under helicopter number two fuselage

place.

(fig. FO2).

g. Center Jack Adapter. Center jack adapt-

228.18 Install Helicopter Number One and

er to vertical stabilizer by adjusting nuts on

Number Two Fuselage Station 450 Supports.

11 pins. Close pin retainers and rotate

Remove quick release pin holding FS450 jack pad wire

knobs to lock pins in place.

deflector. Secure wire deflector in open position. Jack

each helicopter at the tail landing gear jacking pad and

h. Rotate Jack Screw. With jack stand

aline a fuselage station 450 support (item 61, table 22)

adapter secured to vertical stabilizer, rotate

under each fuselage station 450 (tail boom) jack pad.

jack screw to raise vertical stabilizer and

Lower and remove jack.

relieve pressure on folding fixture support

228.19 Install Vertical Stabilizer Adapter Jacks on

rod pins. Adjust jack as required to remove

pins.

Helicopters.

a. Position Jack Adapter at Vertical Stabi-

i. Remove Support Rods. Remove both

lizer. Figure 231.

support rods and reinstall pins into folding

b. Open 9 Fitting Assemblies. Using

fixture.

knurled knob, open 9 fitting assemblies

j. Wrap Support Rods. Wrap support rods

and remove 11 pin assembly (fig. 232).

with cushioning material (D5) sealed with

c. Loosen Nuts. Loosen, but do not re-

tape (D13). Stow rods for shipment.

move; two nuts on dash 11 pin assembly.

k. Secure Jack Adapter. Using tie downs,

d. Remove Jack Handle. Remove jack

secure jack adapter for transport. Stow jack

handle from retainer clips on jack stand as-

handle in retainer clips.

sembly.

VERTICAL STABILIZER

SUPPORT FIXTURE

LOCK-TAIL GEAR STR

LOAD / UNLOAD ONLY

ATTACH POINT FOR AFT

DIRECTION WINCHING

TIE-DOWN

FITTING

TWO TAIL ROTOR

VERTICAL

SUPPORT AFT

EXTEND POSITION

BLADES REMOVED

STABILIZER

FUS STA 450

(LOCKED)

M05-064A

Figure 231. Positioning of Jack Adapters at Vertical Stabilizer

270

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