Alignment Specifications
Caster
Important: Caster angle settings for the left and right sides should be a minimum of 1.0 degree and no more than 5.0 degrees apart from each other, while not exceeding the upper and lower limits.
Table 1, Caster
| Western Star 47X and 49X Front Suspension, Set Back Axle - 49-00267-101/Set Forward Axle - 49-00267-102 | ||||
| Description | Units | Target | Target | |
 |
Caster IMPORTANT: LH and RH caster angle settings should be a minimum of 1.0 degree and no more than 5.0 degrees apart from each other. |
LH (degrees |
4.5 |
±1.5 |
|
RH (degrees) |
4.5 |
±1.5 |
||
Table 1, Caster
 |
Total Toe |
Degrees |
0.09 |
±0.09 |
| Pusher and Tag Axles | ||||
 |
Total Toe |
Degrees |
0.09 |
±0.09 |
 |
Scrub Angle |
Degrees |
0 |
±0.08 |
 |
Tracking/Lateral Offset |
Inches |
0 |
±0.25 |
| Rear Suspension | ||||
 |
RDA Thrust Angle |
Degrees |
0 |
±0.18 |
 |
FDA/RDA Scrub Angle |
Degrees |
0 |
±0.08 |
 |
FDA/RDA Tracking/Lateral Offset |
Inches |
0 |
±0.25 |
Table 1, Caster
Camber
Table 2, Camber, Detroit and Meritor Axles
| Camber, Detroit and Meritor Axles | ||
| Axle Model | Left Camber: degrees | Right Camber: degrees |
|
All |
–1/4 ± 7/16 |
–1/4 ± 7/16 |
Table 2, Camber, Detroit and Meritor Axles
Table 3, Camber, Dana/Eaton Axles
| Camber, Dana/Eaton Axles | ||
| Axle Model | Left Camber: degrees | Right Camber: degrees |
|
All E Series |
+1/4 ± 7/16 |
0 ± 7/16 |
Table 3, Camber, Dana/Eaton Axles
Table 4, Camber, Hendrickson Axles
| Camber, Hendrickson Axles | ||
| Axle Model | Left Camber: degrees | Right Camber: degrees |
|
STEERTEK |
0 ± 1 |
0 ± 1 |
Table 4, Camber, Hendrickson Axles
Torque Values
Table 5, Miscellaneous Torque Values
| Miscellaneous Torque Values | |
| Description | Torque: lbf·ft (N·m) |
|
M22 |
339 (459) |
|
U-Bolt Nuts 7/8–14 |
400 (542) |
|
U-Bolt Nuts 7/8–16 |
460 (624) |
|
U-Bolt Nuts 3/4–16 |
300 (406) |
|
Meritor Stopscrew Locknut |
50–65 (68–88) |
Table 5, Miscellaneous Torque Values
Table 6, Tie Rod Clamp Nut Torque Values
| Tie Rod Clamp Nut Torque Values | ||||
| Axle Manufacturer | Axle Model | Tie Rod Clamp Nut Size | Plain Nut Torque: lbf·ft (N·m)1 | Locknut Torque: lbf·ft (N·m)* |
|
Detroit |
All |
5/8–11 |
60–80 (81–108) |
60–80 (81–108) |
|
Meritor |
All |
5/8–11 |
50–60 (68–81) |
50–60 (68–81) |
|
Hendrickson |
STEERTEK |
|||
|
Dana/Eaton |
All E Series |
5/8–18 |
— |
40–60 (55–81) |
- *All torque values in this table apply to parts lightly coated with rust-preventive type oil.