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  TB 9-2350-368-25
FABRICATION
SECTION I. GENERAL INFORMATION
SCOPE. This chapter provides fabrication instructions for the M113A3/M113A2/M548A1&A3
2-1.
Powerplant Test stand. It is assumed that fabrication will take place at Direct Support/General Support or
similar facility with access to welding equipment and expertise. Fabrication is provided by system and in the
recommended sequence. Each subsystem begins with a suggested Bill Of Materials. If appropriate, the
respective M113 part number and NSN are provided. Throughout the fabrication process, items may be
purchased locally or cannibalized to expedite or make fabrication less expensive. All dimensions are given in
US measurements followed by Metric measurements in parenthesis.
SECTION II. FRAME AND MOUNTS
TEST STAND BASE. The powerplant test stand is supported on a metal tube frame. The frame
2-2.
may be mounted on a skid and moved with a forklift or the frame may be mounted on axles and wheels and
towed with a small tractor or similar apparatus.
a. Frame Assembly
Bill Of Materials Location
Item
Nomenclature
Location
Qty
Main Frame
4" by 2" by 1/4" Rectangular Steel Tubing
1
96 inches (243.8 cm)
2
2
51 inches (129.5 cm)
2
3
48 inches (121.9 cm)
2
4
46 inches (116.8 cm)
2
5
20 inches (50.8 cm)
4
6
6 inches (15.2 cm)
1
7
4 inches (10.2 cm)
1
Transmission Mount (A3)
4" by 3" by 1/4" Steel Angle
8
32 inches (81.3 cm)
2
9
19 inches (48.3 cm)
2
Front Leg Mount
4" by 6" by 5/16" Angle
Rear Engine Battery Box
3" by 2" by 1/4" Rectangular Steel Tubing
10
10-1/2 inches (26.7 cm)
4
11
15-1/2 inches (39.4 cm)
4
12
18 inches (45.7 cm)
2
Forklift Pockets
4" by 6" by 3/8" Steel Tubing
Top Plate of Stand
1/4" Tread Plate
13
12 by 20 inches (30.5 by 50.8 cm)
4
14
18 by 20 inches (45.7 by 50.8 cm)
1
15
6 by 23 inches (15.2 by 58.4 cm)
1
16
4 by 23 inches (10.2 by 58.4 cm)
2
17
15 by 18 inches (38.1 by 45.7 cm)
1
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