TM 5-4310-385-13e.Compressed air in the high pressure cylinder enters through intake valve assembly (7) and exits (at highpressure) through the exhaust valve assembly (8) to the aftercooler (9).f.The aftercooler tubing (9) is looped around the back of the compressor to allow air cooling from flywheel fanblades. Air passes from the aftercooler through a check valve to the air tank.1-15. OPERATION OF THE ELECTRIC MOTOR.a.The electric motor is a three phase induction motor. The operation of a three phase induction motor depends ontwo basic parts, the stator or stationary windings and the rotor.b.The rotor does not have windings, but has metal bars pressed into its frame which act as conductors of electricalcurrent. The rotor does not have any external connections.c.208 VAC is connected across T1, T2, T3, which causes current to flow in the stator windings and produce arotating magnetic field.d.This magnetic field cuts across the conductors in the rotor, inducing currents in the conductors. This causes arepelling force between the conductors and the magnetic field and causes the rotor to turn.Electric Motor Schematic1-8
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