Sec. 6-Fig. 70 (Rev.-9-1977)
(Drawing Redrawn 9-1977)
SEMI-TRAILERS, DOUBLE DECKED, WITH TWO WHEEL DOLLYS-FLAT CARS
Item
No. of Pcs.
Description
A
Brake wheel clearance. See Fig. 2, Sec. 1.
B
24
Blocks, pattern 16. Locate 45 degree portion of block in front and rear of each wheel. Secure
heel of block to car floor with three 40-D nails and toenail that portion under tire with
two 40-D nails on each side.
C
6
Each to consist of three pieces of 2 in. x 4 in. x 24 in. lumber and one piece of 2 in. x 6 in. x 24
in. lumber. Nail the 2 in. x 6 in. piece to the edge of one 2 in. x 4 in. piece with four 12-D
nails. Place against the tire with suitable protective material, such as waterproof paper or
burlap, etc. between the bottom 2 in. x 4 in. piece and between the tire and the 2 in. x 6 in.
piece. Nail the bottom 2 in. x 4 in. piece to the car floor with four 20-D nails. Nail the other
two 2 In. x 4 in. pieces to the one below in the same manner.
D
2
Supports, built up of two double 2 in. x 6 In. uprights and cross pieces, 2 in. x 6 in. braces and
2 in. x 4 in. floor cleats. Locate suitably under towing bar of dollies, as shown.
E
4
3/4 in. dia. bolts. Locate two on each side of units, as shown. Pass through 1/4 in. x 3 in. x 5 in.
plate, stake pockets of top and bottom units and lower 1/4 in. x 3 in. x 5 in. plates.
F
1
2 in. x .050 in. high tension band. Pass over frame of front end of semi-trailer, as shown, and
through opposite stake pockets.
G
4
Each to consist of 3/8 in., 6 x 19 IWRO wire rope, single strand. Attach to frame or spring
shackles at rear of semi-trailer, as shown, and through stake pockets. Fasten each end of
wire rope with three 3/8 in. cable clips. 3/8 in. thimbles must be used at each stake pocket to
protect wire rope and secured to the wire rope with one 3/8 in. cable clip.
H
8
Each to consist of 3/8 in., 6 x 19. IWRO wire rope, single strand. Attach to frame or spring
shackles of each dolly, as shown, and through stake pockets. Apply thimbles as outlined in
Item "G", above.
J
4
Each to consist of two pieces of 2 in. x 4 in. x 18 in. lumber. Locate, as shown, at each of panels
and secure lower piece to floor with three 30-D nails and top piece to one below in like
manner.
K
4
1 1/4 in. x .035 high tension bands. Locate two lengthwise encircling panels, and two cross-
wise, as shown.
See General Rules 1, 2, 3, 4, 5, 9, 14, 15 and 19-B for further details.
E-92
