2-28. SINGLE WINCH LOADING AND UNLOADING (U.S.M.C. ONLY) (CONT)
(20) Winch operator must slowly pull disabled payload into alinement with semitrailer ramps. If payload gets
turned or misalined, proceed as follows:
(a) Chock rear of payload.
(b) Using two people, remove snatch block (2), with winch cable (11) still wrapped around snatch block
pulley, from both Y-bar straps (8) by removing pin (5), nut (6), and bolt (7). Set mounting hardware aside
until snatch block can be re-installed onto Y-bar straps.
(c) Remove shackle (17) from either curbside or streetside parallel tiedown chains. Leave chain laying on
(d) Pass shackle (17) through lower towing lug (18) on side that payload has turned toward. Position shackle
(17) so that retainer bolt is facing forward toward semitrailer.
(e) If necessary, winch operator must pay out winch cable (11) so that snatch block (2) can be installed onto
shackle (17) on lower towing lug (18) of payload.
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