MK 109 MOD 1 CONTAINER LIFTING SLING
The Mk 109 Mod 1 container-lifting sling (fig.
9-21) consists of an adjustable wire rope and chain
assembly fitted with a lifting eye and spreader bars. The
spreader bars are modified turnbuckles that permit
adjustment of sling-leg width within the range of 25
inches to 41 inches. Height adjustment of the bars is
provided by the swage stops. The Mk 109 is designed to
fit most of the containers and cradles currently in the
system.
REVIEW NUMBER 4 ANSWERS
A1.
A beam is a rigid metal item that has an I, H,
T, or circular cross section.
A2.
The ADU-399/E guided missile hoisting
beam is used during ground support handling
of the Phoenix missile.
A3.
When you move a Harpoon missile from its
container to the missile assembly stand, you
would use the Mk 37 Mod 0 lift beam.
BOMB HOISTS
LEARNING OBJECTIVE:
Recognize
the
purpose and use of bomb hoist and identify the
loads for each.
A hoist is a mechanism that provides a mechanical
advantage when raising or lowering heavy loads, such
as bombs, mines, and torpedoes.
HLU-288/E BOMB HOIST
The HLU-288/E bomb hoist (fig. 9-22) consists of
a gear train, drum and cable, brake mechanism, fishing
pole type of extension tube, a ratchet crank, and a brake
crank. The cable drum rotates in the direction opposite
to that of the cranks. The ratchet crank is used to help
hoist the load, and it can be disengaged from the gear
train by latching the ratchet pawl. The brake crank is
used to hoist and lower the load. After a load is lifted, a
clutch-type brake locks the gear train.
The HLU-288/E bomb hoist is used with single
hoist ordnance loading system (SHOLS) adapters to
9-14
Figure 9-21.—Mk 109 Mod 1 container lifting sling.
