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Figure 2-15.—How to calculate applied torque. | Up
Engineman 2 - Intermediate engine mechanics training manual | Next
Chapter 3 Internal Combustion Engines |
ENGINE TEST EQUIPMENT
When an engine has been repaired or overhauled, it
may need to be tested for proper operation and power
output. A piece of test equipment used to conduct such
tests is the dynamometer. The following is a basic
explanation of how a dynamometer works. For in-depth
information about this test equipment, refer to the
manufacturer’s manual.
The dynamometer is used to apply specific loads to
an engine. It allows the technician to inspect and check
the engine while it is operating. The dynamometer
absorbs and measures the engine’s output. The basic
components of a dynamometer are the frame, engine
mounts, absorption unit, heat exchanger, and torque and
measuring device. To properly operate a dynamometer
you must complete a shop qualifications course.
Dynamometers are found primarily in shore activity
shops. For maintenance, refer to assigned PMS for the
equipment. If your shop has no PMS maintenance for
the dynamometer, follow the maintenance schedule
recommended by the manufacturer.
SUMMARY
In this chapter, you have learned to identify the
necessary measuring and repair instruments and their
basic components and how to use them. Additionally,
you have learned basic information about the
dynamometer, its operation and maintenance. For
additional information about basic measuring and repair
instruments and the dynamometer, refer to each item’s
manufacturer’s manual, assigned PMS, and your work
center’s shop equipment qualifications program.
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