TM 55-2200-001-12
Change 1
Sec. 6-Fig. 7 (New-11-1978)
M 198 155 MM-HOWITZER-FLAT CARS
Item
No. of Pcs.
Description
A
Brake Wheel Clearance. See Fig. 2, Section No. 1.
B
5
Platform, 2 in. x 6 in. x 36 in. lumber. Preposition and nail each piece to car
floor with three(3) 30-D nails at each end.
C
8 per Sketch 1.
Chock block, pattern 86, Sec. No. 6. Position with the face plate against wheel.
Nail through
4 per Sketch 2.
heel of block with two 60-D nails. Toe-nail to car floor with two (2) 40-D nails on
each side.
D
8 per Sketch 1.
Back up piece, lumber, 2 in. x 6 in. x 12 in. Position against chock block, Items
"C" and nail
4 per Sketch 2.
to car floor with three (3) 30-D nails.
E
2
Rubbing strip, lumber, 2 in. x 6 in. x 48 in. Position on edge and nail to bottom
piece of Item "F" with five (5) 12-D nails.
F
2
Side blocking, lumber, 3 pieces 2 in. x 6 in. x 48 in., laminated. Nail the first
piece with Item "E" attached to car floor using five (5) 30-D nails. Nail other
pieces on top in a like manner.
G
6
Wire Rope 5/8 in. 6 x 19 IWRC. install 4 cables to approximate angle shown to
form a complete loop from stake pocket on car through tie-down devices on
Howitzer trail and back to stake pocket. install 2 cables to form a complete
loop from stake pockets on car through eye of lunette and back to stake
pocket. Secure each cable with five (5) cable clips. When loaded without gun
tube, 1/2 in. 6 x 19 IWRC wire rope may be used.
H
10
Thimble 5/8 in. Use one per stake pocket and one per lading tie-down device.
Secure to cable with one clip per thimble.
J
As required.
Wire, No. 14 gage annealed. Use to wire tie the pin which locks the gun tube
stowage bracket in such a manner that the pin cannot come out during transit.
K
As required.
Waterproof paper or burlap of a sufficient size to position under and extend 2 in.
above Item "F". When shipped with tube off apply in a like manner to Item
"M". (See Sketch 2 for Item "M").
L
1
Cradle Support Assembly. Required only when shipped with tube off. (See
Sketch 3).
M
1
Cradle securement strapping, 2 in. x .050 in. high tension band. Encircle
cradle and trail as near to Item "L" as possible. (See Sketch 3).
N
As required.
Wire, No. 14 gage annealed. Tie the washers to the cradle as shown in Sketch
3.
Notes:
1. Two (2) Howitzers may be shipped on a 10 ft. 6 in. wide flat car. Position the first Howitzer at one end of car
diagonally and position the second Howitzer at the opposite end of car diagonally with barrels pointing inwardly.
2. If only one Howitzer is shipped, locate centrally on car.
See General Rules 1, 2, 3, 4, 5, 9, 10, 11, 14, 15 and 19-B for further details.
E-8.2
