Sec. 6-Fig. 49 (Rev.-4-1980)
1/4 TON, 4 X 4 TRUCKS, LENGTHWISE, SINGLE OR DOUBLE ROWS-FLAT CARS-SINGLE ROWS-GONDOLA
CARS WITH WOODEN FLOORS
Item No. of Pcs.
Brake wheel clearance. See Fig. 2, Sec. 1..
8 per unit.
Blocks, pattern 25. Locate 53 degree portion of block against front and rear of wheels. Secure
heel of block to floor with three 40-D nails and toe-nail that portion under tire to floor with two
40-D nails. Substitute, if desired, at each location, blocks, pattern 18, 24 or 67. When units
are loaded, side by side on fiat cars, Items "B" not required against inside of inside front and
Items "B" not required when Items "H", "J", "K" and "L" or "N", "O" and "P" are used.
1 ea. wheel.
Blocks, pattern 25. Locate 53 degree portion against inside of each wheel and secure heel of
block to floor with three 40-D nails and toe-nail other end to floor with one 40-D nail.
Substitute, if desired, at each location, blocks, pattern 20. Secure to floor with four 30-D nails
at each location. If desired, each block, pattern 25, or pattern 20, located against wheels
nearest side of car may be omitted, provided a double 2 in. x 4 in. x 24 in. block is used
between inside wheels of side by side units to prevent contacting each other. Secure lower
piece to floor with four 20-D nails and top piece to one below with four 30-D nails in each.
Not required when Items "H", "J", "K" and "L" are used.