Load Second Helicopter TailIn.

TM 55-1520-238-S

center the tail wheel, and chock main land-

f. Tow Helicopter to Position One.

ing gear wheels with lumber or plywood

blocks.

CAUTION

l. Check

and

Adjust

Helicopter

Height. Measure heights of left and right

forward fuselage tiedown fitting centerlines

During the following procedures,

(main landing gear cross tube) from the air-

helicopter underbelly and overhead

craft cargo floor. A height of 29 inches is

clearances will be continuously

required at each fitting. If necessary, kneel

checked to prevent damage to heli-

main landing gear shock struts to obtain

copter or cargo aircraft. Where nec-

required height. Close shutoff valves.

essary, helicopter height will be ad-

justed by kneeling or raising and by

m. Disconnect Hydraulic Cart. Paragraph

using shoring under tail wheel.

85f.

To prevent excessive stress on heli-

NOTE

copter landing gear and C141B car-

go winch, do not apply brakes dur-

Shutoff valve will remain connected to

ing

kneeling

and

erecting

shock struts for use when unloading.

operations.

n. Lock Tail Wheel. Remove tail wheel lock

Release helicopter brakes. Have loadmas-

safety pin. Lift swivel lock lever to engage

ter operate cargo aircraft winch and careful-

the tail wheel swivel lock (fig. 214). Push

ly tow helicopter up loading ramps until

wheel sideways to check lock engagement.

main landing gear wheels are 61/2 feet aft

A locked tail wheel will not swivel.

of the main ramp hinge (position one, fig.

o. Remove Tail Wheel Steering Bar and

229).

Winching Yoke. With tail wheel cen-

tered, loosen yoke studs from tail wheel

NOTE

axle and remove the yoke (fig. 214). Re-

Hydraulic cart will be rolled along with the

move steering bar from yoke tube.

main landing gear as helicopter is loaded

into the cargo aircraft.

p. Disconnect Cargo Aircraft Winch Cable

from Helicopter. Unhook forward winch-

g. Perform Kneeling

Operation. Para-

ing adapter cable from helicopter main

graph 85.

landing gear arms (fig. 215). Uncouple

adapter cable towing eye from aircraft

h. Tow Helicopter to Position Two. Tow

winch cable.

helicopter forward, while kneeling or erect-

228.10 Load Six Main Rotor Blades. Position

ing helicopter (paragraph 85 or 86)

where required for overhead and ramp

three main rotor blade rack sets holding two blades each

hinge clearance. Stop towing when main

(fig. 22), on cargo floor under helicopter number one

landing gear wheels are four feet forward of

fuselage (fig. FO2).

main ramp hinge (position two, fig. 229).

228.11 Load One Hellfire Launcher. Position one

packed Hellfire launcher container on cargo floor, aft of

NOTE

the left outboard main rotor blade racks (fig. FO2).

Tail wheel will be at base line of ramp shor-

228.12 Load One 2.75 Inch Rocket Launcher. Posi-

ing when helicopter is at Position two.

tion one packed 2.75 inch rocket launcher on top of Hell-

i. Reposition One Auxiliary Ramp for Tail

fire launcher.

Wheel. Reposition left or right auxiliary

228.13 Load one M230 Gun Turret. Position one

ramp and shoring to center of loading ramp.

packed gun turret container on cargo floor under heli-

copter number one tail rotor (fig. FO2).

j. Tow Helicopter to Position Three. Tow

helicopter forward until tail wheel is at base

228.14 Load Second Helicopter TailIn.

of the center auxiliary ramp (position three,

a. Unlock Tail Wheel Swivel. Paragraph

fig. 229).

228.9a.

k. Tow Helicopter into Cargo Compart-

b. Install Tail Wheel Winching Yoke. Para-

ment. Guide tail wheel over the center

graph 228.9b. Do not install steering bar at

auxiliary ramp and carefully tow helicopter

this time.

to its tiedown location (fig. FO2). When

helicopter is properly located, set brakes,

c. Connect and Checkout Hydraulic Cart.

Change 1

267