TB-9-2350-368-25
M113A2/M113A3/M548Al/M548A3 FAMILY OF VEHICLES INCLUDING OPPOSING FORCES SURROGATE VEHICLE (OSV)
FABRICATION AND OPERATION OF POWERPLANT TEST STAND
FEBRUARY 2003
TB-9-2350-368-25 - Page 15 of 120
TB 9-2350-368-25
2-1
CHAPTER 2
FABRICATION
SECTION I. GENERAL INFORMATION
2-1.
SCOPE.
This chapter provides fabrication instructions for the M113A3/M113A2/M548A1&A3
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
2-2.
TEST STAND BASE.
The powerplant test stand is supported on a metal tube frame. The frame
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
4” by 2” by 1/4” Rectangular Steel Tubing
Main Frame
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
4” by 3” by 1/4” Steel Angle
Transmission Mount (A3)
8
32 inches (81.3 cm)
2
9
19 inches (48.3 cm)
2
4” by 6” by 5/16” Angle
Front Leg Mount
3” by 2” by 1/4” Rectangular Steel Tubing
Rear Engine Battery Box
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
4” by 6” by 3/8” Steel Tubing
Forklift Pockets
1/4” Tread Plate
Top Plate of Stand
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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