![]() ![]() ![]() What type of bearing does the motor have?.Does the motor contain any special features?.What is the length and diameter of the shaft?.What is the motor’s voltage, RPM and horsepower?.Some of the common questions to answer when replacing a motor are such as:. It is recommended to have the defective Fasco blower motor with you while taking measurements and for firsthand visual inspection. A replacement Fasco blower motor can be easily selected (the correct one) by simply answering some questions about the old Fasco blower motor. Rarely is a replacement motor identified through the original equipment manufacturer's model number. The types are such as through bolts, lug mounts, resilient base as well as band mount. Note the type of Fasco blower motor mounting that has been used after removing the motor off the unit.Fasco manufacturers in particular use CW to denote clockwise and CCW to denote counterclockwise which are indicated at the shaft end. ![]() Look at the nameplate or on the body for any rotation markings or an arrow in order to determine the rotation direction.A capacitor is able to hold charge for some time which could potentially shock you. Discharge the capacitor through a resistor prior to removing or handling the capacitor. For the PSC type of motors, note down the size of the capacitor as well as its location.Find any wiring diagrams that illustrate the hook-up of all the Fasco blower motor leads, or any other drawings that show where each and every wire is connected.Do not work with the live wires while they are still intact. Disconnect the electrical power supply from the unit.It is recommended that you place thermocouples on the windings in order to monitor the motor’s operating temperature throughout the speed range prior to using the controls. When some of these Fasco blower motors overheat, they trip the overload. One of the most important test characteristics is the rise of heat inside the motor. Each motor will respond differently at different times. On that note, there are no particular general guidelines of speed control that are applicable across the motor offering. Every particular speed control has to be tested with a specific motor. ![]()
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