H-22A. OSHA STANDARD MULTI-SINGLE PIECE WHEEL (continued)
OSHA STANDARD 29 CFR PART 1910.177 (SERVICING MULTI-PIECE AND SINGLE
PIECE RIM WHEELS) (EXCERPT) (continued)
(d) Tire servicing equipment.
(5) Current charts or rim manuals containing instructions for the
(1) The employer shall furnish a restraining device for inflating tires
type of wheels being serviced shall be available in the service
on multi-piece wheels.
(2) The employer shall provide a restraining device or barrier for
(6) The employer shall furnish and assure that only tools
inflating tires on single piece wheels unless the rim wheel for
recommended in the rim manual for the type of wheel being
inflating tires on single piece
serviced are used to service rim wheels.
(3) Restraining devices and barriers shall comply with the following
(e) Wheel component acceptability.
(1) Multi-piece wheel components shall not be interchanged except
(i) Each restraining device or barrier shall have the capacity to
as provided in the charts or in the applicable rim manual.
withstand the maximum force that would be transferred to it
during a rim wheel separation occurring at 150 per cent of the
(2) Multi-piece wheel components and single piece wheels shall be
maximum tire specification pressure for the type of rim
inspected prior to assembly. Any wheel or wheel component
wheel being service.
which is bent out of shape, pitted from corrosion, broken, or
cracked shall not be used and shall be marked or tagged
(ii) Restraining devices and barriers shall be capable of
unserviceable and removed from the service area. Damaged or
preventing the rim wheel components from being thrown
leaky valves shall be replaced.
outside or beyond the device or barrier for any rim wheel
positioned within or behind the device.
(3) Rim flanges, rim gutters, rings, bead seating surfaces and the
(iii) Restraining devices and barriers shall be visually inspected
bead areas of tires shall be free of any dirt, surface rust, scale
prior to each day's use and after any separation of the rim
or loose flaked rubber build-up prior to mounting and inflation.
wheel components or sudden release of container air. Any
restraining device or barrier exhibiting damage such as the
(4) The size (bead diameter and tire/wheel widths0 and type of both
following defects shall be immediately removed from
the tire and the wheel shall be checked for compatibility prior to
assembly of the rim wheel.
Cracks at welds;
(f) Safe operating procedure--multi-piece rim wheels. The
Cracked or broken components;
employer shall establish a safe operating procedure for servicing
Bent or sprung components caused by mishandling,
multi-piece rim wheels and shall assure that employees are
abuse, tire explosion or rim wheel separation;
instructed in and follow that procedure. The procedure shall include at
Pitting of components due to corrosion; or
least the following elements:
Other structural damage which would decrease its
(1) Tires shall be completely deflated before demounting by
removal of the valve core.
(iv) Restraining devices or barriers removed from service shall
not be returned to service until they are repaired and re-
(2) Tires shall be completely deflated by removing the valve core
inspected. Restraining devices or barriers requiring structural
before the rim wheel is removed from the axle in either of the
repair such as component replacement or rewelding shall not
be returned to service until they are certified by either the
manufacturer or a Registered Professional Engineer as
(i) When the tire has been driven under-inflated at 80% or less
meeting the strength requirements of paragraph (d)(3)(i) o
of its recommended pressure, or
(4) The employer shall furnish and assure that an air line assembly
(ii) When there is obvious or suspected damage to the tire or
consisting of the following components be used for inflating
(3) Rubber lubricant shall be applied to bead and rim mating
A clip-on chuck;
surfaces during assembly of the wheel and inflation of the tire,
unless the tire or wheel manufacturer recommends against it.
(ii) An in-line valve with a pressure gauge or a pre-settable
(iii) A sufficient length of hose between the clip-on chuck and
the in-line valve (if one is used) to allow the employee to
stand outside the trajectory.