Mich. Admin. Code R. 408.17235 - Rim wheel servicing
Rule 7235.
(1)
An employer shall ensure that each employee who is engaged in servicing
multi-piece and single-piece rim wheels demonstrates and maintains his or her
ability to service the rims safely and in accordance with these
rules.
(2) All wheel components
shall be inspected before assembly. Rims, rim bases, side rings, or lock rings
that are bent out of shape, pitted from corrosion, broken, or cracked shall not
be used or welded, brazed, or otherwise heated in an attempt to repair them.
The defective components shall be rendered unusable for tire
mounting.
(3) Tires shall be
completely deflated by removing the components.
(4) A restraining device, as defined in R
408.17206(2), shall be provided by the employer and maintained in a safe
condition and shall be in compliance with all of the following requirements:
(a) Each restraining device or barrier shall
have the capacity to withstand the maximum force that would be transferred to
it during a rim wheel separation that occurs at 150% of the maximum tire
specification pressure for the type of rim wheel being serviced.
(b) Restraining devices and barriers shall be
capable of preventing the rim wheel components from being thrown outside or
beyond the device or barrier for any rim wheel that is positioned within or
behind the device.
(c) Restraining
devices and barriers shall be visually inspected before each day's use and
after any separation of the rim wheel components or sudden release of contained
air. A restraining device or barrier that exhibits evidence of damage, such as
any of the following defects, shall be immediately removed from service:
(i) Cracks at welds.
(ii) Cracked or broken components.
(iii) Bent or sprung components caused by
mishandling, abuse, tire explosion, or rim wheel separations.
(iv) Pitting of components due to
corrosion.
(v) Other structural
damage that would decrease the effectiveness of the restraining device or
barrier.
(d) A
restraining device or barrier that is removed from service shall not be
returned to service until it is repaired and reinspected. A restraining device
or barrier that requires structural repair, such as component replacement or
rewelding, shall not be returned to service until it is certified by either the
manufacturer or a registered professional engineer that the device or barrier
meets the strength requirements specified in subdivision (a) of this
subrule.
(5) A clip-on
chuck with a sufficient length of hose to permit the employee to stand clear of
the potential trajectory (see figure 1) of the wheel components and an inline
valve with a gauge or a pressure regulator preset to the desired pressure shall
be furnished by the employer and used to inflate tires.
(6) Industry-accepted tire lubricant shall be
applied to the bead and the rim mating surfaces during assembly of the tire and
wheel.
(7) When a tire is in a
restraining device, an employee shall not rest or lean any part of his or her
body or equipment on or against the device.
(8) An attempt shall not be made to correct
the seating of the wheel components, rim, rim base, or side and lock rings by
hammering, striking, or forcing the components while the tire is
pressurized.
(9) Heat shall not be
applied to an inflated wheel tire assembly.
(10) Figure 1 reads as follows:
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Notes
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