Motor Primer : A device attached to the manifold of the left bank of the motor cylinders that uses the vacuum created therein to remove the air from the fire pump and the suction hose. See also: Primer
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}