2
12
Rim area
2-9
Check the entire rim area for nicks, gouges and cracks. Loss of air may be caused
by cracks in areas around the valve stem hole. Remove the wheel from service.
Gutter area
2-10
Projections on the side of the wheel gutter area on tube type wheels can cause
uneven seating of the side and lock ring and chipping of the gutter. Such projections
must be removed. Remove the wheel from service if damaged.
Cracking in bottom of gutter flange. Occasionally, circumferential cracks may
appear in the bottom of the gutter area. This area should be thoroughly cleaned
and carefully inspected after a tire is removed from the wheel. Also check the
side underneath gutter flange for circumferential cracks. Gutter flange cracks
can ultimately lead to the separation of the rim area from the disc. Immediately
remove from service a wheel that exhibits any cracks.
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