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Page Title:
FRAME ALIGNMENT INSPECTION - continued |
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 TM 9-2320-361-24-2
0206 00
FRAME ALIGNMENT INSPECTION (Contd)
FRAME SQUARENESS
1.
Locate and clean two front grease fittings (2) on right and left front spring shackles (1).
2.
Tape an 8 x 10-1/2 in. (20 x 27 cm) sheet of white paper to floor (4) under right and left front
spring shackles (1).
NOTE
Ensure plumb bob is placed toward front of vehicle on both
right and left grease fittings. If not, inaccurate measurement of
frame squareness will result.
3.
Place string over grease fitting (2) on right front spring shackle (1) with plumb bob toward front of
vehicle. Lower plumb bob and locate a point on paper below spring shackle (1).
NOTE
Do not mark paper until plumb bob has stopped swinging and is
close to, but not touching paper.
4.
Mark spot (3) on paper directly below plumb bob point.
5.
Place one edge of square along horizontal line (7) used to measure horizontal bow on right side of
vehicle and other edge of square touching plumb bob mark (3).
6.
Stretch string along edge of square to left side of vehicle. Allow string to extend 6 in. (15 cm)
beyond left horizontal line (6). Tape or secure string to floor (4).
NOTE
Ensure plumb bob is placed toward front of vehicle on both
right and left grease fittings. If not, inaccurate measurement of
frame squareness will result.
7.
Place string over grease fitting (2) on left front spring shackle (1) with plumb bob toward front of
vehicle. Lower plumb bob and locate a point on paper below spring shackle (1).
NOTE
Do not mark paper until plumb bob has stopped swinging and is
close to, but not touching paper.
8.
Mark spot (3) on paper directly below plumb bob point.
NOTE
If measured frame rails are out of tolerance, notify supervisor.
If frame rails are verified to be out of tolerance, vehicle will be
classified as unserviceable.
At end of inspection, remove plumb bob and string.
9
Measure distance between left side plumb bob mark (3) and string on floor (4). If distance is more
than 1/4 in. (6 mm), frame rails (6) are out of tolerance.
0206 00-6
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