TM 9-2320-280-20-2
8-11. REAR WHEEL TOE-OUT ALIGNMENT
This task covers:
a. Preliminary Inspection
c. Toe-out Adjustment
b. Toe-in Check
INITIAL SETUP:
Tools
Manual References
General mechanic’s tool kit:
TM 9-2320-280-10
automotive (Appendix B, Item 1)
TM 9-2320-280-24P
Materials/Parts
Equipment Condition
Chalk (Appendix C, Item 15)
Tires inflated to proper pressure
Tape (Appendix C, Item 50)
(TM 9-2320-280-10).
Twine (Appendix C, Item 53)
Vehicle on level ground.
Personnel Required
One mechanic
One assistant
NOTE
It is not necessary to perform rear wheel toe-out alignment prior
to the scheduled semiannual or 3,000 mile (4,827 km)
maintenance interval unless abnormal vehicle handling or control
is reported, or it is directed by another maintenance task.
Rear wheel alignment adjustments other than toe-out are
performed by DS maintenance.
Make sure models M1037 and M1042 have S250 shelter installed
before performing rear wheel toe-out alignment.
a. Preliminary Inspection
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
8-38
Check all tires (7) for uniform tread wear.
Raise vehicle and place support under lower control arms (11).
Check geared hubs (5) for output spindle end play by grasping edges of tires (7) and attempting to
move tires (7) up and down. Adjust spindle bearings (para. 6-14) if any spindle movement is apparent.
Check for looseness of upper ball joints (4) by grasping top of tires (7), and attempting to move tires (7)
in and out. Replace upper ball jointa (4) (para. 6-26) if tire (7) movement at top outer edge of tires (7)
is 3/8 in. (9 mm) or more.
Check for looseness of lower ball joints (8) by grasping bottom of tires (7), and attempting to move
tires (7) in and out. Replace lower ball joints (8) (para. 6-27) if tire (7) movement at bottom outer edge
of tires (7) is 1./2 in. (13 mm) or more.
Lower vehicle.
Check for looseness of radius rod ends (6) by attempting to move adjusting sleeves (10) vertically and
horizontally. Replace radius rod end(s) (6) (para. 6-25) if any movement is apparent.
Check for damaged control arm bushings (1). Replace upper control arms (3) (para. 6-28) or lower
control arms (11) (para. 6-29) if bushings (1) are damaged.
Set front wheels in straight ahead position. This can be checked by driving vehicle a short distance on
a flat surface to determine steering wheel position at which vehicle follows a straight path.
Tape one end of a piece of string (12) to inner wall of front tire (7).
Ensure front tire (7) is straight. Pull string (12) to rear tire (7) until string (12) touches front of rear
tire (7). Measure distance between string (12) and rear side wall of rear tire (7).
