TM 55-3810-01-165-14
if slack should occur. Secure wooden cable wedge
a. Material required for EAT.
(left and right sides) with -inch tubular nylon. For
(1) Sling set, 25,000-pound capacity, 1 each.
rigging, hookup, and sectionalization procedures, see
(2) Cord, nylon, type III, 550-pound BS.
Koehring Commercial Operation Instructions and
(3) Tape, adhesive, pressure-sensitive, 2-inch
FM 55450-1, Army Helicopter External Load Oper-
wide roll.
ations.
(4) Cotton webbing, -inch, 80-pound BS.
(5) Nylon, tubular, -inch, l,000-pound BS.
(6) Tie-down, nylon, cargo, CGU-1B, 1 each.
NOTE
(7) Padding material, felt or cellulose.
When the unit is sectionalized, secure the
b. Preparation for EAT.
boom hydraulic hoses with nylon cord and
(1) Locate the crane in a clear and level area for
ensure they are tied and free of the boom
the disassembly procedure.
base.
(2) Separate the upper structure (boom assem-
c. The loads of the sectionalized 7-ton crane are
bly) from the carrier unit (vehicle chassis).
suitable for CH-47D helicopters in either single- or
(3) For carrier unit, fold the side mirrors inboard
dual-point configuration at the following airspeeds,
and tie or tape as required. Tape windshield wipers
when rigged and transported according to FM 55450-1
to windshield. Secure steering wheel, doors, and all
loose equipment with cord as necessary.
Configuration
Weight (lb)
Airspeed (KIAS)
(4) For upper structure, secure hook-block
Nonsectionalized
24,230
120
assembly to the end of the boom mast with CGU1B
Power unit (vehicle
15,600
140
cargo tiedown or equivalent. Secure boom light
chassis)
power cable with nylon cord. Insert wood-block cable
Boom assembly
140
8,630
wedge at the drum to prevent cable from unspooling
(upper structure)
4-9