Electronic automatic control diagram applied to a vacuum power servo unit where it works against a spring force to ... Thus, temperature changes are converted in turn to variations of electrical resistance, voltage, vacuum, and mechanical movement. ... 4.37) the varying vacuum signal to the power servo unit which operates the system functions is provided directly from a ... SYSTEM COMPONENTS Figs 4.38-4.46 show the major components of a 1969 General Motors a#39;Four-Seasonsa#39;anbsp;...
|Title||:||Auxiliary power services and equipment for road vehicles|
|Author||:||Institution of Mechanical Engineers (Great Britain). Automobile Division, Advanced School of Automobile Engineering|