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 21 of 120
TB 9-2350-368-25
2-7
b. Front Engine Mount (Common)
Bill Of Materials
Item
Nomenclature
Part Number
NSN
Qty
4” by 6” by 1/4” Steel Angle
1
27-1/2 inches (69.9 cm)
1
1/4” Tread Plate
2
4 by 6 inches (10.2 by 15.2 cm)
2
2-1/2” by 2-1/2” by 1/4” Steel Angle
3
1-1/4 inches (3.2 cm)
2
3/8” Threaded Rod
4
1 to 2 inches (2.5 to 5.1 cm)
1
Hardware
5
Lockwasher
MS35335-63
1
6
Wingnut
MS35425-74
1
NOTE
•
You may want to install fuel cell while frame is inverted.
•
Before you install front engine mount place stand upright in legs.
1. Locate, cut, and drill five 3/4 by 1-3/4 inch slots in steel angle (1) per Figure 2-6.
2. Locate two tread plate stiffeners (2) left 7 inches from end, right flush with end, on angle per Figure 2-6.
Weld stiffeners in place.
3. Locate tread plate stop guides (3) flush on front of mount, 3-1/2 inches from outside edge per Figure 2-6.
Weld guides in place.
4. Drill 3/8 inch hole 2 inches from end of mount and 1-1/2 inches from bottom. Place bolt through hole and
weld head in place. Put nut and star washer on threaded end. Use for grounding.
5. Install lockwasher (5) and wingnut (6) on threaded rod (4).
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