TEA PAM 55-20 Tiedown Handbook for Truck - Military Surface ...

FOURTH EDITION SDDCTEA PAMPHLET 55-20
Tie-Down Procedure for M119A2 105 MM Towed Howitzer
One D-shackle in each firing stay eyelet for a chain (total 2), and two independent
chains through the towing eye. These chains are then fastened to the deck of a trailer or
railcar. Rear tie-down chains may be crossed (only if absolutely necessary) to fixed tiedown
points on the trailer bed. If chains are crossed, the MUST be separated with nonconducting
material.
PREPARATION, LOADING, AND TIE-DOWN ON SEMITRAILER
Wood-deck semitrailer.
Figure 63 shows the M119A2 in the folded configuration for transport on wood-deck
semitrailers. This figure shows tie-down procedures compatible with standard loading
practices that will offer adequate restraint.
Aluminum-deck semitrailer.
Figure 63 shows the M119A2 in the folded configuration for transport on aluminum-deck
semitrailers. Two tie-down provisions are required fore, and two tie-down provisions are
required aft. Route chains through shackles inserted into the firing stay brackets and
separate crossing chains with non-conducting material. Route chains through the towing
eye and separate chains if in contact with non-conducting materials. Shackle
specifications: 3/4 inch-D shackle per RR-C-271, Type IVA, Grade A and Grade B,
Class 2. Chain specifications: chain in accordance with page 84 of this Pam that fits
through the selected shackle and has a minimum Safe Working Load of 6,600 lbs.
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