Assertion: air pump | /r/CapableOf | bleed air
Facets:
value: to lower the chassis
type: PURPOSE
Source sentences:
text: The air compressors or air pumps will activate to pump air into these air bags to raise the chassis to a level height or bleed air off of the self-leveling suspension to lower the chassis to a level height with the rest of the chassis, both front and rear as well as left and right.