 |
|||
|
|
|||
|
Page Title:
Table 7-1. Bill of Materials for Loading and Securing One M109 Self-Propelled Howitzer |
|
||
| ||||||||||
|
|
 TM 55-2220-058-14
Table 7-1. Bill of Materials for Loading and Securing One M109 Self-Propelled Howitzer
Item
Description
Approximate
Quantity
Lumber*
Douglas-fir or comparable, straight-grain, free from material defects; Fed Spec MIL-L 751:
2
1 in ft
2- x 6-inch
Wire rope*
6 x 19 IWRC, improved plow steel, preformed, regular-lay; table X, Fed Spec RR-W-410:
30 ft
3/8-inch
Clips*
Wire rope, U-bolt clips, saddled, single-grip, steel, Crosby heavy-duty, or equal; MIL-STD-
4
16842: 3/8-inch
Clips*
Wire rope, U-bolt clips, saddled, single-grip, steel, Crosby heavy-duty, or equal; MIL-STD-
2
16842: 5/8-inch
Strapping*
Steel, high tension; Fed Spec QQ-781H, type I or IV, - x .035-inch
3
ft
Common, steel, flathead; bright or cement-coated; table XI-b, Fed Spec FF-N-105A: 6d
4
Padding*
Protective rubber, waterproof paper, burlap, or other suitable material that will prevent
as required
wire rope from damaging gun barrel
Shackles**
1 1/2-inch-diameter wire size, 4-inch-iameter inside bow, 2 3/8-inch entrance to bow, 13/8-
4
inch thread pin, alloy steel heat-treated to 170,000 pounds minimum break strength;
MacLean-Fogg (M-F) 61284, or Midland Forge MK0267
Thimbles
Standard, open-type: 3/8-inch
2
* Not required if howitzer has an operable external gun-tube brace.
** Furnished with flatcar.
Table 7-2. Application of Materials for Securing One M109 Self-Propelled Howitzer (Fig 7-1)
Item
No. Required
Application
A thru D
Channels. For description, refer to paragraph 2-2c.
E
12
Chains. Furnished with flatcar. Apply chains between M109 tiedown fitting and anchor locations
on the deck of the car, as described below.
F
4
Shackles. Attach one shackle to each tow lug.
G
1
Brace. Length as required. Force-fit between hull and bottom of gun barrel. (Not required if
howitzer has an operable external gun-tube brace.)
H
1
Strapping. Place over gun barrel and nail to item G with two 6d nails on each side. (Not
required if howitzer has an operable external gun-tube brace.)
I
2
Wire rope, 3/8-inch. Wrap gun tube with cushioning material, item K. Place thimbles on the
lifting eyes and apply wire rope in two complete loops: one around gun tube to left-rear lifting
eye, the other around gun tube to right-rear lifting eye. Pull loops hand tight. (Not required if
howitzer has an operable external gun-tube brace.)
J
6
Clips. Secure ends of wire rope (item I) with two 3/8-inch U-bolt clips at overlap area. Secure
each thimble to wire rope with one 5/8-inch U-bolt clip. (Not required if howitzer has an
operable external gun-tube brace.)
K
as required
Padding. Place under wire rope (item I) to protect gun barrel. (Not required if howitzer has an
operable external gun-tube brace.)
RT1
3
Chains.Attach chains to the right-front tiedown fitting shackle from chain anchors in D35, C34,
and D34.
LT1
3
Chains.Attach chains to the left-front tiedown fitting shackle from chain anchors in A34, B34,
and A35.
RT2
3
Chains. Attach chains to the right-rear tiedown fitting shackle from chain anchors in D10, C11,
and D11.
LT2
3
Chains.Attach chains to the left-rear tiedown fitting shackle from chain anchors in A11, B11,
and A10.
GENERAL INSTRUCTIONS
1. M109 brakes must be set. Transmission selector must be in neutral.
2. Gun must be secured in the gun travel lock. The turret rotation and gun-elevating controls must be wire-tied, if
feasible, to prevent movement of turret and gun.
3. Turnbuckles of front and rear chain tiedowns must be tightened at the same time to avoid disturbing the tank position.
4. Also applicable are General Rules 4, 5, 7, 11, 15(g), 19, 19A, and 19C in Section 1 of the Rules Governing the
Loading of Commodities on Open-Top Cars and Trailers, published by the Association of American Railroads. These
general rules are also found in TM 55-2200-001-12.
7-5
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals