Mich. Admin. Code R. 408.17422 - Fire apparatus tires and rims
Rule 7422.
(1)
A thorough visual inspection of the tread and sidewall areas of fire apparatus
tires for cuts, cracks, splits, or bruises, including a tread depth
measurement, must be made at least annually. A record of this inspection must
be maintained for a minimum of 10 years.
(2) A tire must be replaced if 1 of the
following occurs:
(a) The average tread depth
is worn to 5/32 of an inch or less.
(b) The tread depth at any 1 location is 2/32
of an inch, or less.
(c) A cut or
crack exposes the cord fabric.
(3) A replacement tire must meet or exceed
the standards of the original tire furnished with the apparatus.
(4) Fire apparatus tires and rims must be
inspected inside at least once every 10 years.
Notes
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