Models 5E, 5F, 5G & 5H Electric Switch Machines: Single ... - Alstom

Theory of OperationFigure 2-1. Lock Rod, Point Detector Rod, and Point DetectorFigure 2-2. Movement of the Lock Rod, Point Detector Rod, and Point DetectorFor 5F and 5H Switch Machines, the Hand Throw Selector Lever must be in thePOWER position for energy to be supplied to the motor, enabling power operation of theswitch machine. The lever position is labeled and visible from above the switchmachine, as in Figure 2–3.P1293, Rev. Jun/07 2–2 Alstom Signaling Inc.