1 inch. Figure 3.11 shows a single slid flat defect measuring more than 2
1/2 inches; figure 3.12 shows two adjoining slid flat spots each exceeding
the 2-inch limit.
Adjoining Slid Flat
Single Slid Flat
remove them from service when they
outside edge of the rim; however, a
small amount of chipping does not
impair their serviceability.
wheel should not be condemned until
the rim is broken off a distance of
3 3/4 inches from the flange when
the break slopes inwardly.
3.13 illustrates the methods of
gaging broken rims; the two wheels
shown have reached the condemnable
e. Cracked plate.
with a cracked plate should be
removed from service. Such a crack
Wheels With Broken
almost always originates in either
the hub or the rim. A 2-to