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DTIC ADA400357: Servicing Single-Piece and Multi-Piece Rim Wheels

A rim wheel is the component assembly of wheel (either multi- piece or single-piece), tire and tube, plus other components. A single- piece wheel is the component of the assembly used to hold the tire, form part of the air chamber (with tubeless tires), and provide the means of attachment of the assembly to the vehicle axle. A multi- piece wheel is a vehicle wheel consisting of two or more parts, one of which is a side or locking ring that holds the tire and other components on the rim wheel by interlocking the components when the tire is inflated. Approximately 322,000 employees in more than 100,000 work-places service large vehicle tires that are mounted on either multi-piece or single-piece wheels. In 1984, OSHA amended the safety standard for servicing multi-piece rim wheels (29 Code of Federal Regulations 1910.177) to include requirements for the safe servicing of single-piece rim wheels used on large trucks, trailers, buses, and off-road machines. OSHA's standard does not apply to the servicing of rim wheels utilizing automobile tires or to trucks designated LT (light trucks). The amended safety standard for servicing single-piece and multi-piece rim wheels has four major req

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