ENGINE TEST EQUIPMENTWhen an engine has been repaired or overhauled, itmay need to be tested for proper operation and poweroutput. A piece of test equipment used to conduct suchtests is the dynamometer. The following is a basicexplanation of how a dynamometer works. For in-depthinformation about this test equipment, refer to themanufacturer’s manual.The dynamometer is used to apply specific loads toan engine. It allows the technician to inspect and checkthe engine while it is operating. The dynamometerabsorbs and measures the engine’s output. The basiccomponents of a dynamometer are the frame, enginemounts, absorption unit, heat exchanger, and torque andmeasuring device. To properly operate a dynamometeryou must complete a shop qualifications course.Dynamometers are found primarily in shore activityshops. For maintenance, refer to assigned PMS for theequipment. If your shop has no PMS maintenance forthe dynamometer, follow the maintenance schedulerecommended by the manufacturer.SUMMARYIn this chapter, you have learned to identify thenecessary measuring and repair instruments and theirbasic components and how to use them. Additionally,you have learned basic information about thedynamometer, its operation and maintenance. Foradditional information about basic measuring and repairinstruments and the dynamometer, refer to each item’smanufacturer’s manual, assigned PMS, and your workcenter’s shop equipment qualifications program.2-11
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