 |
|||
|
|
|||
|
Page Title:
Table 5-2. Application of Materials for Blocking and Tiedown of Trailer Support Unit on M127-Series Semitrailer |
|
||
| ||||||||||
|
|
 TM 55-5811-900-14
Table 5-2. Application of Materials for Blocking and Tiedown of Trailer Support Unit on M127-Series Semitrailer
Item
No. Reqd.
Application
A
1
Brace. Consists of fifteen 2- x 4- x 15-inch pieces of lumber nailer together. Locate under
lunette and nail in place (fig 5-1).
B
4
End chock blocks. Each to consist of six 2 x 8x 7- -inch pieces of lumber, cut as shown in
figure 79, detail 1. Nail two pieces together with two 16d nails. Then nail the next piece to
these two pieces with two 16d nails. Repeat with other pieces. Then place one block before
each front wheel and one behind each rear wheel.
C
2
Middle chock blocks. Each to consist of six 2 x 8 x 41-inch pieces of lumber, cut as
shown in figure 7-9, detail 2. Nail two pieces together with three 16d nails. Then nail the next
piece to these two pieces with three 16d nails. Repeat with other pieces. Then place blocks
between front and rear wheels as shown (fig 5-1).
D
4
End blocks. Each to consist of two 2x 4 x 9-inch pieces of lumber. Place one piece tightly
against the base of an end chock block, and nail to the semitrailer bed with three 16d nails.
Nail the other piece to the first piece with three 16d nails.
E
2
Side blocks. Each to consist of two 2 x 4 x 70-inch and one 2 x 6x 70-inch pieces of lumber.
Place one piece tightly against inside of each wheel, and nail the block as shown in detail 3,
F
2
Wire rope, 2-inch, form a complete loop between tie-down eye and stake pocket (details 1 and
2, fig 5-3). Secure with four clamps spaced 3 inches apart.
G
2
Wire rope, -inch, form a complete loop between tie-down eye and stake pocket (details 1
and 2, fig 5-3). (Place one end of the loop through the stake pocket on the opposite side of the
semitrailer.) Secure the wire rope with four clamps spaced 3 inches apart.
H
2
Wire rope, Y2-inch, form a complete loop between tie-down eye and stake pocket. Secure the
wire rope with four clamps spaced 3 inches apart.
I
24
Clamps. Four for each loop (detail 1, fig 5-3).
Table 5-3. Bill of Materials for Blocking and Tiedown of M1015 Carrier on M127-Series Semitrailer (Fig 5-4).
Item
Description
Approximate
Quantity
Lumber ......................Douglas-fir or comparable, straight-grain, free from material defects;
60 lin ft.
Fed Spec MM-L-751: 2- x 4-in.
2- x 6-in. ...............................................................................................................
86 in ft.
2- x 12-in .............................................................................................................
14 lin ft.
Nails ...........................Common, steel; flathead, bright or cement-coated, type II, style 10;
Fed Spec FF-N-105:
12d........................................................................................................................
60.
30d........................................................................................................................
140.
40d........................................................................................................................
20.
Shackles ....................Anchor shackle, screw-pin, type IV, class 1; Fed Spec RR-C-271: 7/8-in. (1-in.-dia. pin),
4.
NSN 4030-00-162-9668.
Wire rope ..................6 x 19 IWRC, improved plow steel, preformed, regular-lay; table X, Fed Spec RR-W-
60 ft.
410: -in.
Clamps.......................Wire rope, U-bolt clips, saddled, single-grip, forged steel, Crosby heavy-duty, or equal;
24.
Fed Spec FFC-450: -in.
8.
Thimbles ....................Standard, open type: -in..............................................................................................
8.
5-9
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals