Operation CHARM: Car repair manuals for everyone.

Cab-Chassis

NOTE: To determine correct caster alignment angle for Cab-Chassis vehicles the following procedure must be performed.

CASTER:

Chassis Measurement:





1. Take a height measurement to the center of the front gauge hole in the frame. Take another measurement to the center of the rear spring hanger bolt. Take these measurements on both sides of the vehicle.

Corrected Caster Chart Cab-Chassis:





2. Subtract the front measurement from the rear measurement and use the average between the right and left side. Use this number (caster correlation value) with the corrected caster chart to obtain the preferred caster angle.

CAMBER:
Not Set

TOTAL TOE-IN:
Preferred +0.10°
Range ± 0.10°

CROSS CASTER:
Preferred
Range ± 0.5°

CROSS CAMBER:
Not Set

THRUST ANGLE:
Preferred
Range ± 0.4°