TM-55-2350-224-14 Transportation Guidance for M113 Family of Vehicles Download
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TM 55-2350-224-14 Table 3–2. Continued Item Quantity Description Come-along or 1 Adequate strength cable tensioning device. cable tightener Blocking Materials Lumber (nominal sizes) Douglas fir, or comparable 2- x 4-in. 40 linear ft Specification MM-L-75. 2- x 6-in. 12 linear ft 2- x 8-in. 12 linear ft 2- x 12-in. 12 linear ft straight grain, free from material defects, Federal Nails Common, steel, flathead; bright or cement-coated, type II, style 10, Federal 12d 120 Specification FF-N-105. 30d 80 40d 10 Option 1: 1 chain, 1 loadbinder Figure 3–1. Detail of rail chain tiedown patterns. b. Loading. Place the carriers in the tiedown position on the railcar, using a crane of adequate capacity (see para 4–5 for lifting guidance), or drive the carriers onto the railcar if a suitable ramp is available. Position the carrier so that sufficient railcar tiedown points are available. Carriers must face in the same direction, with a minimum space of 10 inches between them and 6 inches between the brake wheel and the front of Option 2: 2 chains, 1 loadbinder (Table 3-2, chain assembly, option 1 and 2) the carrier. Do not set handbrakes on the carriers. Place gearshift levers in neutral. Total load re- straint (para 1–4) is three times the carrier GVW per AAR, Section 1, General Rules Governing the Loading of Commodities On Open Top Cars. c. Tiedowns and Blocking. Figures 3–2, 3–3, and 3–4 and table 3–3 provide instructions for restrain- ing the carriers against forces encountered in normal rail operations. 3-3