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       CODE: 620.281-066 Buy the DOT:Download/CD-ROM
TITLE(s): TUNE-UP MECHANIC (automotive ser.)
Tunes automotive vehicle engines to ensure efficient operation: Removes spark plugs, using socket
wrench, and tests them, using spark-plug tester. Cleans electrodes in sandblasting machine, sets
spark gap with feeler gauge, and replaces or installs new plugs. Inspects distributor breaker points
for wear and pits, using feeler gauge, and replaces or resets points. Observes ignition timing,
using timing light, and adjusts timing, using handtools. Adjusts carburetor needle setting, using
handtools, and verifies adjustment, using instruments, such as fuel analyzer, vacuum gauge,
oscilloscope, and tachometer. Sets valve tappets, using feeler gauge or dial indicator. Replaces
defective coils, condensers, and electrical connection. Removes and cleans carburetor and fuel pump.
Examines battery and connections and electrical charging and starting circuit. Adjusts, and repairs
fan belt, and fuel and water pumps. May tune engine while vehicle runs on rollers connected to
dynamometer and be designated Dynamometer Tuner (automotive ser.).
GOE: 05.05.09 STRENGTH: L GED: R4 M3 L3 SVP: 7 DLU: 77
ONET CROSSWALK: 85302B Automotive Specialty Technicians
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