49 CFR 229.61 - Draft system.
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(1) A distance between the guard arm and the knuckle nose of more than 55/16 inches on D&E couplers.
(2) A crack or break in the side wall or pin bearing bosses outside of the shaded areas shown in Figure 1 or in the pulling face of the knuckle.
(4) Free slack in the coupler or drawbar not absorbed by friction devices or draft gears that exceeds one-half inches.
(b) A device shall be provided under the lower end of all drawbar pins and articulated connection pins to prevent the pin from falling out of place in case of breakage.
[77 FR 21346, Apr. 9, 2012]
Title 49 published on 2014-10-01
no entries appear in the Federal Register after this date.