TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 1022 of 1258
Change 1
2 0 - 2 1
20-4.
STEERING ALIGNMENT
INITIAL SETUP:
To o l s
____
General mechanic's tool kit:
automotive (Appendix G, Item 1)
Alignment equipment (Appendix G, Item 142)
M a t e r i a l s / P a rt s
_____________
Two locknuts (Appendix E, Item 62)
Manual Refere n c e s
_______________
TM 9-2320-280-10
TM 9-2320-280-20
TM 9-2320-280-24P
Equipment Condition
_________________
Tires inflated to proper pressure
(TM 9-2320-280-10).
Maintenance Level
_______________
General support
This task covers:
a.
Caster and Camber Check
c.
Toe Check and Adjustment
b.
Caster and Camber Adjustment
NOT E
The alignment check will be made on a level surface with front tires in
the straight-ahead position. Vehicles will be checked at curb weight only.
1.
Check caster and compare to the specifications in table 20-1 for bias tires and table 20-2 for radial tires.
2.
Check camber and compare to the specifications in table 20-1 for bias tires and table 20-2 for radial tires.
3
.
If either caster or camber does not meet specifications, go to task b.
CASTER
CAMBER
TOE
MODEL
FRONT/REAR
FRONT/REAR
FRONT/REAR
(±1.5°)
(+1.5°,-0.5°)
(±0.13 in. (3.3 mm))
M998, M1025, M1026,
2.0°/0.0°
0.8°/1.7°
0.4 in. (10.2 mm)/
M1035, M1038, M1043, M1044
-0.4 in. (-10.2 mm)
M966, M1036, M1037,
2.0°/0.0°
0.8°/1.5°
0.3 in. (7.6 mm)/
M1042, M1045, M1046
-0.3 in. (-7.6 mm)
M996, M997, M1121
2.0°/0.0°
0.8°/1.7°
0.3 in. (7.6 mm)/
-0.3 in. (-7.6 mm)
Table 20-1. Alignment Specifications for Bias Tires.
CASTER
CAMBER
TOE
MODEL
FRONT/REAR
FRONT/REAR
FRONT/REAR
(±1.5°)
(±1.0°)
(±0.6 in. (1.6 mm))
M996, M996A1, M998, M998A1, M1025,
M1025A1, M1025A2, M1026, M1026A1,
M1035, M1035A1, M1035A2, M1036, M1038,
M1038A1, M1043, M1043A1, M1043A2,
+1.50°/0.0°
+0.68°/+1.50°
0.13 in. (3.3 mm)/
M1044, M1044A1, M1045, M1045A1,
-0.13 in. (-3.3 mm)
M1045A2, M1046, M1046A1, M1121
M997, M997A1, M997A2, M1037,
+1.44°/0.0°
+0.68°/+1.44°
0.09 in. (2.3 mm)
M1042
-0.09 in. (-2.3 mm)
M1097, M1097A1, M1097A2, M1123
+1.44°/0.0°
+0.38°/+2.12°
0.09 in. (2.3 mm)
-0.09 in. (-2.3 mm)
Table 20-2. Alignment Specifications for Radial Tires.
a. Caster and Camber Check
TM 9-2320-280-34
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