| Job Title |
Dynamometer Tester, Engine |
| Job Description |
Tests Completed Motor Vehicle Engines Prior To Mounting In
Chassis, Using Conventional Or Computerized Dynamometer, And
Adjusts And Repairs Engines To Ensure Performance Conforms To
Specifications: Lifts Engine Onto Stand, Using Hoist, And Aligns
And Bolts Engine In Place. Bolts Coupling To Dynamometer And
Engine Shaft And Attaches Fuel And Coolant Lines, Using
Handtools. Starts Engine To Drive Dynamometer. Reads Gauges On
Instrument Panel To Determine That Power Developed At Specified
Speeds, Timing, And Other Engine Specifications Meet Standards.
Screws Gauge Into Spark Plug Opening Of Successive Cylinders
While Engine Is Running To Verify Compression Ratios. Reverses
Drive By Cutting Off Engine And Moving Switches, Causing
Dynamometer To Drive Engine. Reads Gauges To Determine Power
Necessary To Turn Engine. Adjusts Carburetor, Sets Clearances
Between Tappets And Valves, And Regulates Timing, Using Feeler
Gauge, Timing Light, And Handtools. Listens For Internal Noise,
Such As Piston Slap, Knocks, Taps, And Gear Noises That Indicate
Irregularities In Engine Operation, Using Stethoscope-like
Instrument, And Determines Location And Cause Of Malfunctions.
Repairs Or Replaces Carburetor, Spark Plugs, And Fuel Pump, Or
Fills Out Report For Repairs Involving Disassembly Of Engine.
May Test Engine Mounted On Chassis And Be Designated Dynamometer
Tester, Chassis (auto. Mfg.).
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