2022 Manitoba Workplace Safety and Health Act and Regulation

22.21(3) Clause (1)(a) does not apply to firefighters working on firefighting
equipment.
MAINTENANCE
Maintenance on elevated parts
22.22
An employer must ensure that if an elevated part of powered mobile
equipment is being maintained or repaired by a worker, the part and
the powered mobile equipment are securely blocked in place and
cannot move.
Tire servicing
22.23(1) An employer must ensure that
(a) a competent person services, inspects, disassembles and
reassembles a tire or tire and wheel assembly of powered
mobile equipment in accordance with the specifications of both

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Workplace Safety And Health Regulation
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the tire manufacturer and the manufacturer of the powered
mobile equipment; and
(b) the manufacturer’s service manuals for the tires and wheels are
readily available to the competent person.
22.23(2) An employer must ensure that a competent person
(a) uses a clamp-on type of connector to inflate split-rim and
locking ring wheels; and
(b) only inflates a tire mounted on a split-rim or locking ring wheel
if
(i) the wheel assembly is in a tire cage or is similarly restrained,
and
(ii) potential flying parts from split-rim or locking ring failure
or tire rupture are contained.
22.23(3) An employer must ensure that, where a clamp-on type of connector
is used to inflate a tire, the person doing so
(a) uses
(i) an in-line pressure gauge, and
(ii) positive pressure control; and
(b) inflates the tire from a position that is safe and that is not
within the potential trajectory of the tire.
ROLLOVER PROTECTIVE STRUCTURES
Definition: “Rollover protective structure”
22.24 
In sections 22.25 and 22.26, “rollover protective structure” means a
structure designed to reduce the possibility of injury to an operator
of powered mobile equipment in the event of a rollover or upset of
the equipment.