TM 55-2200-001-12
Change 2
APPENDIX Y
PROCEDURES FOR SECURING UNUSED TIEDOWN DEVICES-140-TON DODX FLATCAR
(The following information is extracted from TM 55-2200-058-14 Transportability Guidance Transport of Cargo on the
Railway Car, Flat 140-Ton-Capacity.)
Y-1. Unused chains, shackles, and rings must be secured to the flatcar so that they will not become free, endangering
material or persons along the railroad right-of-way.
Y-2. Unused chains, shackles, and rings may be secured by using the method described below (for securing unused
chains after transporting two M1 tanks facing Position No. 44) or a similar method.
a.
Locate chain anchors (fig Y-1) at A6, A1, A2, B1, B2, B3, C1, C2, C3, D6, D1, and D2.
b.
Stretch chains lengthwise on car deck between the channels.
c.
Form two crossover chains by moving the load-bearing hook end of chains in chain anchors A6 and D6 across
the flatcar deck. Secure one ring and two shackles to the crossover chains by sliding the ring onto chains and by
attaching the shackles to chains with shackle pins. Attach the grab hook on the chain of chain anchor in A6 to the chain
of chain anchor in D6; attach the grab hook on the chain of chain anchor in D6 to chain of chain anchor in A6. Insert the
open hooks and any excess chain into the channels on the flatcar.
d.
Pull the open hook at the end of each chain of chain anchors in A1, A2, B1, B2, B3, C1, C2, C3,D1, and D2 over
crossover chains A6 and D6, then insert the hook and any excess chain into one of the channels on the flatcar.
e.
Repeat above procedures for unused chains on the opposite end of the flatcar by using chains of chain anchors
in A39 and D39 to form crossover chains. Attach four shackles to crossover chains in A39 and D39.
f.
Secure unused chains in the center section of the flatcar in this same manner: use the crossover chains of chain
anchors in A14 and D14 to secure chains attached to chain anchors in A19-3/5, A20-3/5, B18-315, B21, B22, C18-3/5,
C21, C22, D19-3/5, and D20-3/5; use the crossover chains of chain anchors in A31 and D31 to secure chains attached to
chain anchors in A23, A24-3/5, B23, B24-315, B26, C23, C24-3/5, C26, D23, and D24-3/5.
g.
Secure one ring and two shackles to crossover chains of chain anchors in A14 and D14. Attach four shackles to
crossover chains in A31 and D31.
Y-1
