TM-55-2320-280-14 HMMWV Transportability Guidance M998 Series Download
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25 August 1988 TM 55-2320-280-14 Figure 7-3. Blocking, bracing and tiedown material for standard flatcar. Table 7-1. Materials Required to Ship HMMWV on Wood-Deck Flatcar Item Description Approximate quantity Lumber ................................... Douglas-fir, or equivalent; straight-grain, free of material de- fects; Fed Spec MM-L-751c: ............................................... 2 x 4 x 36 in ............................................................................. . 2 x 6 x 26 in .............................................................................. 6 x 8 x 24 in .............................................................................. 12 4 8 Nails ....................................... Common, steel; flathead; bright or cement-coated, table X1-b, Fed Spec FF-N-105a: ......................................................... 12d ........................................................................................... 40d ........................................................................................... 80 64 Wire rope ............................... 6 x 19, IWRC; improved plow steel; preformed, regular-lay; ta- ble X, Fed Spec RR-W-140C; 1/2-inch ................................ 52 feet. Clamps ................................... Wire rope, U-bolt clamps, saddled, single-grip, steel, Crosby heavy-duty, or equal; Fed Spec FF-C-450c, 1/2-in. dia.. 24 Thimbles ................................ Standard, open-type, 1/2-in. ...................................................... 8 Turnbuckles ............................ Standard type, FSN 5340-01-121-1961, 3/4 x 12 in. .................. 2 Cushioning material. Waterproof paper, burlap, or suitable material ........................... As required. Come-along............................ Tool, tensioning device, mechanical .......................................... 1 (2) Step 2. Fabricate four tire sidewall blocks in accordance with blocking pattern 89 in figure 7-3. Place cushioning material between tire and sidewall block and between railcar floor and sidewall block. Follow the instruction in figure 7-3 for nailing sidewall blocks to railcar. c. Tiedown of the HMMWVs will be as follows: NAIL PIECE A TO PIECE B WITH 12d NAILS, THEN NAIL TO CAR FLOOR THROUGH PIECE B WITH FIVE 20d NAILS. NAIL THE OTHER 2” X 4” PIECES EACH TO THE ONE BELOW IN THE SAME 7-4