Table 7-1. Bill of Materials for Blocking and Tiedown of the M.A.N. Truck on CONUS General-Purpose Flatcar

TM 55-2320-282-14

required for blocking and tiedown of the trucks on

M1002 trucks must be turned to the longitudinal

axis and secured. The crane on the M1013 truck

foreign service flatcars are essentially the same as

those materials used for rail within CONUS.

must be turned 30 from the longitudinal axis and

secured. With these dimensional reductions, the

Detailed guidance is contained in the 4th

Transportation Command Pamphlet 55-2, Tiedown

M.A.N. trucks can be moved without restriction on

Guide of Rail Movements.

standard flatcars throughout Europe. The materials

Table 7-1. Bill of Materials for Blocking and Tiedown of the M.A.N. Truck on CONUS

General-Purpose Flatcar (Fig 7-1)

Approximate

Item

Description

Quantity

Lumber

Douglas-fir, or comparable; straight-grain, free from material defects; Fed Spec MM-L-751H:

2- x 4-inch

108 linear feet

2- x 6-inch

77 linear feet

6- x 8-inch

16 linear feet

Nails

Common, steel; flathead; bright or cement-coated; Fed Spec FF-N-105B:

12d

20d

224

40d

Thimbles

Standard, open-type; table II, type II, Fed Spec F F-T-276: 5%s-inch

Clamps

Wire-rope, U-bolt clamps, saddled, single-grip, steel, Crosby heavy-duty, or equal; Fed Spec

FF-C-450D; %/8-inch

Wire rope

6x19, IWRC; improved plow steel; preformed, regular-lay; table X, Fed Spec RR-W-410D; %-inch

120 feet

Cushioning

material

Waterproof paper, burlap, or other suitable material

as required

Table 7-2. Application of Materials for Blocking and Tiedown of the M.A.N. Truck on CONUS General-

Purpose Flatcar (Fig. 7-1)

No.

Item

Required

Application

Brake-wheel clearance. Minimum clearance required is 6 inches above, in back of, and on both sides of and 4

inches underneath wheel; 12 inches from end of railcar to load, which extends from center of brake wheel to

side of railcar; and 6 feet above railcar floor (fig 7-1).

Blocks. Each consists of one piece of 2- x 6- x 25-inch lumber. Place one block against wheels as shown in

figure 7-1, and nail to railcar floor with five 20d nails.

Block (fig 7-2). Each consists of one piece of 6- x 8- x 24-inch lumber. Place one block on top of each item B

with 45side against tire. Nail heel of block to item B with three 40d nails. Toenail sides of block to railcar

floor through item B with two 40d nails on each side (Pattern 16).

1 per each

Cushioning materials. Place bottom portion under item E and between tire and item E so as to extend

item E

2 inches above item E (fig 7-2).

Side block. Each consists of one piece of 2- x 6- x 108-inch lumber and three pieces of 2- x 4- x 108-inch

lumber (fig 7-2). Nail 2- x 6- x 108-inch piece to bottom edge of 2- x 4- x 108-inch piece with fifteen 12d nails.

Place 2- x 4- x 108-inch piece against inside of tires and cushioning materials, and nail to railcar floor with

twelve 20d nails. Nail the other two 2- x 4- x 108-inch pieces to one below in the same manner (Pattern 89).

Brace. Each consists of one piece of 2- x 6-inch x length-cut-to-suit (about 72 inches) lumber. Place one piece

under each axle between items E. Nail to car floor with ten 20d nails.

Wire rope, 5/8-inch. Each piece is about 20 feet long, as required. Form a complete loop between tiedown

shackle and appropriate stake pocket at a maximum angle of 45(fig 7-2). Ends of wire rope should overlap

about 24 inches.

Thimbles. Place one under wire rope at each place where rope passes over bottom edge of stake pocket and

also through tiedown shackle. Secure each thimble to wire rope with one 5/8-inch clamp (fig 7-2).

Clamps. Place four on each item H at overlap area. Space clamps 31/2 inches apart with at least 6 inches from

ends of wire rope (fig 7-2). Place one on each item H as indicated above.

7-4