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05370 TIRE REPAIRER
Repairs damaged tires of automobiles, buses, trucks, and other
automotive vehicles: Raises vehicle, using hydraulic jack, and unbolts
wheel, using lug wrench. Removes wheel from vehicle by hand or, when
repairing giant tires of heavy equipment, by use of power hoist. Locates
puncture in tubeless tire by visual inspection or by immersing inflated
tire in water bath and observing air bubbles emerging from puncture. Seals
puncture in tubeless tire by inserting adhesive material and expanding
rubber plug into puncture, using hand tools. Separates tubed tire from
wheel, using rubber mallet and metal bar or mechanical tire changer.
Removes inner tube from tire and inspects tire casing for defects, such as
holes and tears. Glues boot (tire patch) over rupture in tire casing using
rubber cement. Inflates inner tube and immerses it in water to locate
leak. Buffs defective area of inner tube, using scraper, and patches tubes
with adhesive rubber patch or seals rubber patch to tube, using hot
vulcanizing plate. Reassembles tire onto wheel, and places wheel on
balancing machine to determine counterweights required to balance wheel.
Hammers required counterweights onto rim of wheel.
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