TM 55-2200-001-12
Change 1
Sec. 6-Fig 65 (Rev.-11-1978)
(Drawing Redrawn 11-1978)
SEMI-TRAILERS-FLAT CARS
Item
No. of Pcs.
Description
A
Brake Wheel Clearance. See Fig. 2, Section No. 1.
B
2 each wheel.
Blocks, Pattern 47. Locate one against front and rear of each wheel. Secure heel of block to
floor with three 60-D nails and toe-nail side faces, where accessible, to floor with one 60-D
nail. Substitute, if desired, block pattern 16 or 17, using suitable size nails.
C
2
Axle Support Base, 2 in. x 4 in. x 16 in. lumber. Secure to Item "D" with three 30-D nails and
to floor with eight 20-D nails each.
D
2
Vertical Axle Support, 4 in. x 4 in. x 15 1/4 in. lumber, height may vary. Locate under axle.
E
2
1 in. x No. 14 B.W. Gage Hot Rolled Steel Strap. Pass around top of axle and secure each end
to side of Item "D" with two 8-D nails. CAUTION: If brake line tubing runs along top of
axle, pass the steel strap between axle and tubing so that tubing is not flattened or damaged.
F
2
Vertical Axle Block, 4 in. x 4 in. lumber, length as required. Locate over axle and under sill
of unit.
G
As required
No. 8 Gage Black Annealed Wire. Encircle Item "F" and spring housing. Use also for secure-
4 locations.
ment of Item "O" to front of trailer frame, both sides.
H
4
Diagonal Axle Blocks, 2 in. x 4 in. x 33 in. lumber. Locate against spring housing and secure
each to floor with two 20-D nails. Apply after Items "D" and "F" are secured.
J
2
Crosstie, 2 in. x 4 in. x 43 in. lumber. Locate on top of Items "H" about % the distance from
top and secure each end to Items "H" with two 20-D nails.
K
4
Cleat, 2 in. x 4 in. x 16 in. lumber. Locate against bottom of Items "H" and secure each to
floor with six 20-D nails.
L
2
Wheel Side Blocking, Block Pattern 89, Section No. 6. Use suitable protective material, such
as waterproof paper or burlap, between tire and blocking. Locate bottom portion of pro-
tective material under Item "L", top portion to extend two inches above Item "L".
E-81
