Assertion: caster | /r/HasProperty | measured
Facets:
value: in order to adjust caster
type: PURPOSE
value: by comparing a line
type: MANNER
Source sentences:
text: Caster is expressed in degrees and is measured by comparing a line running through the steering system's upper and lower pivot points (typically the upper and lower ball joints of an A-arm or wishbone suspension design, or the lower ball joint and the strut tower mount of a McPherson strut design) to a line drawn perpendicular to the ground.
text: In order to adjust caster, the ride height, caster, camber, and toe must all first be measured since each one affects the others.