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       CODE: 620.281-058 Buy the DOT:Download/CD-ROM
TITLE(s): TRACTOR MECHANIC (automotive ser.)
Diagnoses mechanical failures and repairs tractors and tractor components according to manuals,
factory specifications, and knowledge of engine performances, using handtools, power tools, and
testing instruments: Attaches compression, ignition, and timing test instruments to certain parts of
tractor, using clamps and handtools. Starts engine dials and reads meters and gauges of testing
equipment to diagnose engine malfunction. Removes and disassembles engine, transmission, and
clutches, using hoists, jacks, and mechanic's handtools. Inspects parts for damage, and verifies
dimensions and clearances of parts for conformance to factory specifications, using gauges, such as
calipers, and micrometers. Replaces or repairs worn or damaged parts. Grinds valves, relines and
adjusts brakes, tightens body bolts, aligns wheels, and tunes engine. May weld defective body or
frame parts.
GOE: 05.05.09 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77
ONET CROSSWALK: 85311A Diesel Engine Mechanics
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