FRAME ALIGNMENT INSPECTION - continued

TM 9-2320-361-24-2

0206 00

FRAME ALIGNMENT INSPECTION (Contd)

NOTE

Any loose or missing cross member rivets, loose or broken

crossmembers, or damaged frame rails must be repaired prior

to inspection.

Ensure inspection procedure is performed on a flat level

surface.

FRAME LEVELING

Drive vehicle into inspection position from a 12 ft (3.7 m) straight line of travel. Apply parking

brake and chock wheels (TM 9-2320-361-10).

Using tape measure, determine distance from floor (3) to bottom of front frame rails (1) in front of

crossmember (4). If one frame rail (1) is lower, use hydraulic jack and raise one side of front axle to

level frame rails (1) to within 1/8 in. (3 mm) of each other.

Using tape measure, determine distance from floor (3) to bottom of rear frame rails (1) at

crossmember (2). If one frame rail (1) is lower, use hydraulic jack and raise one side of rear-rear

axle to level frame rails (1) to within 1/85/16 in. (3-8 mm) of each other.

HORIZONTAL BOW INSPECTION

NOTE

On vehicles with a frame longer than 20 ft (6 m), the front 20 ft

(6 m) of frame rail (measured from front to rear) and the rear

20 ft (6 m) of frame rail (measured from rear to front) are

measured separately. This will cause an overlap in

measurement. Perform the following procedure for each 20 ft

(6 m) section of left and right frame rail.

Tape one 8 x 10-1/2 in. (20x 27 cm) sheet of white paper to floor (3) under each end of frame

crossmembers (5) and in front of crossmember (4) where attached to frame rails (1).

Tape one 8 x 10-1/2 in. (20x 27 cm) sheet of white paper to floor (3) under each front bogie bracket (6).

NOTE

Ensure plumb bob string is placed flat against frame rails free

of obstructions such as bolts, rivets, brackets, and rear springs.

Allow plumb bob to stop swinging before making mark on paper.

Hold string with plumb bob to outside of frame rails (1), above paper, and 4 in. (10 cm) up from

bottom of frame rails (1). Accurately locate point of paper directly below plumb bob.

Carefully mark spot on each paper directly below plumb point.

0206 00-2