45
7
OSHA
Regulations
(continued)
Single piece rim wheel means the assemblage of single piece rim wheel with the tire
and other components.
Single piece wheel means a vehicle wheel consisting of one part, designed to hold the
tire on the wheel when the tire is inflated.
Trajectory means any potential path or route that a rim wheel component may travel
during an explosive separation, or the sudden release of the pressurized air, or an area
at which an airblast from a single piece rim wheel may be released. The trajectory may
deviate from paths which are perpendicular to the assembled position of the rim wheel
at the time of separation or explosion. (See appendix A for examples of trajectories.)
Wheel means that portion of a rim wheel which provides the method of attachment of
the assembly to the axle of a vehicle and also provides the means to contain the inflat-
ed portion of the assembly (i.e., the tire and/or tube).
(c) Employee Training
(1) The employer shall provide a program to train all employees who service rim wheels
in the hazards involved in servicing those rim wheels and the safety procedures
to be followed.
(i) The employer shall assure that no employee services any rim wheel unless the
employee has been trained and instructed in correct procedures of servicing
the type of wheel being serviced, and in the safe operating procedures
described in paragraphs (f) and (g) of this section.
(ii) Information to be used in the training program shall include, at a minimum, the
applicable data contained in the charts (rim manuals) and the contents of this
standard.
(iii) Where an employer knows or has reason to believe that any of his employees
is unable to read and understand the charts or rim manual, the employer shall
assure that the employee is instructed concerning the contents of the charts
and rim manual in a manner which the employee is able to understand.
(2) The employer shall assure that each employee demonstrates and maintains the
ability to service rim wheels safely, including performance of the following tasks:
(i) Demounting of tires (including deflation);
(ii) Inspection and identification of the rim wheel components;
(iii) Mounting of tires (including inflation with a restraining device or other
safeguard required by this section);
(iv) Use of the restraining device or barrier, and other equipment required
by this section;
(v) Handling of rim wheels;
(vi) Inflation of the tire when a single piece rim wheel is mounted on a vehicle;
(vii) An understanding of the necessity of standing outside the trajectory both
during inflation of the tire and during inspection of the rim wheel following
inflation; and
(viii) Installation and removal of rim wheels.
(3) The employer shall evaluate each employee's ability to perform these tasks
and to service rim wheels safely, and shall provide additional training as necessary
to assure that each employee maintains his or her proficiency.
(d) Tire servicing equipment.
(1) The employer shall furnish a restraining device for inflating tires on multi-piece
wheels.
(2) The employer shall provide a restraining device or barrier for inflating tires on single
piece wheels unless the rim wheel will be bolted onto a vehicle during inflation.
(3) Restraining devices and barriers shall comply with the following requirements:
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