Remove Helicopter Tiedowns.

TM 55-1520-238-S

229.9 Unload Two Doghouse Fairings. Remove

One person will occupy CPG station

two doghouse fairings from cargo floor, under helicopter

in each helicopter as it is unloaded,

number two tailboom.

to operate helicopter brakes when

required.

229.10 Unload Two Horizontal Stabilators.

Remove two stabilators from right side of cargo floor, un-

a. Remove Fuselage Tailboom Tie

der helicopter number two tail rotor and left engine.

downs. Unfasten and remove two tie-

down chains from each FS 450 tiedown fit-

229.11 Configure

C141B

Loading

Ramp.

ting (fig. 217). Close FS 450 jack pad wire

Paragraph 228.8.

deflector and secure with quick release pin.

229.12 Remove Helicopter Number One and

b. Remove Forward Fuselage Tie

Number Two Fuselage Station 450 Supports. Jack

downs. Unfasten and remove three tie-

each helicopter at the tail landing gear jack pad and re-

down chains from each of two forward fuse-

move the fuselage station 450 support. Lower and re-

lage tiedown fittings (fig. 217).

move jack (fig. 231).

229.15 Unload Helicopter Number Two.

229.13 Remove Helicopter Vertical Stabilizer

Adapter Jacks.

WARNING

CAUTION

Helicopter must be restrained with the

winch during offloading. An unre-

strained helicopter may shift suddenly

To prevent damage to vertical stabiliz-

or roll free, causing personnel injury or

er and helicopter fuselage, folding fix-

equipment damage.

ture support rods and pins shall be

installed prior to removing jack adapt-

a. Connect Cargo Aircraft Winch Cable to

er or attempting to move helicopter.

Helicopter. Paragraph 228.14e.

a. Loosen Tie Downs. Loosen tie downs

b. Unlock Tail Wheel Swivel. Paragraph

on jack adapter and adjust jackscrew until

228.9a.

support rods and pins can be installed (fig.

c. Install Tail Wheel Steering Bar and

231).

Winching Yoke. Paragraph 228.9b.

b. Install Support Rods and Pins. Figure

232.

NOTE

c. Lower Jack Adapter. Lower jack adapt-

The tail wheel steering bar will be used to

er until vertical stabilizer is supported by

steer the helicopter and to keep main and

folding fixture support arms.

tail wheels on the loading ramps.

d. Open 9 Fittings. Using knob, open 9

d. Connect Hydraulic Cart.

fittings (pin retainers) and remove 11 pin

assemblies.

WARNING

e. Lower Jack Adapter. Lower jack adapt-

er using jack handle and move adapter

Prior to operating hydraulic cart,

away from vertical stabilizer.

personnel must be thoroughly fa-

229.14 Remove Helicopter Tiedowns.

miliar with operation and safety pro-

cedures contained in paragraphs

84, 85 and 86.

WARNING

Personnel must remain clear of heli-

copter during kneeling and erecting

Wheel chocks must be in place be-

operations to prevent injury to per-

fore removing helicopter tie

sonnel in event of main landing gear

downs. An unsecured helicopter

strut collapse and helicopter roll

may roll free, causing personnel in-

over.

jury or equipment damage.

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