Sec. 3--Fig. 25
THREE WHEEL ROAD ROLLERS, LENGTHWISE-FLAT CARS
No. of Pcs.
Brake wheel clearance. See Fig. 2, Sec. 1.
Blocks, pattern 80. Locate one against front and back of each rear wheel. Bolt each to floor with
one 7/8 in. dia. bolt passed through floor and 4 in. x 4 in. x 18 in. cleat or 1/2 in. x 4 in. x
18 in. plate under floor, and nail to floor with five 30-D nails in heel of block.
Blocks, pattern 21. Locate one against front and back of each rear wheel in back of Items "B".
Nail each to floor with three 40-D nails in heel and one 30-D nail in each side of block.
2 in. x 6 in. x 18 in. Locate one on floor, against Item "C", and nail to floor with three 30-D
Braces, 2 in. x 6 in. x 20 in. Locate one against side of each Item "B" and nail to Items "B" and
"C" with two 30-D nails at each location.
Blocks, 4 in. x 4 in. x 23 in. Locate one against the outside of each rear wheel and against
each side of front roller. Toe-nail each to floor with four 30-D nails.
Blocks, 2 in. x 6 in. x 18 in. Locate one against outside of each Item "F" and nail each to floor
with three 30-D nails.
If so equipped, hand brakes must be tightly set and levers wired.
See General Rules 4, 5, 7, 9,14, 19-A and Fig. 1-B for further details.