49 C.F.R. § 230.102 Tender plain bearing journal boxes.
Title 49 - Transportation
Plain bearing journal boxes with the following defects shall be removed from service immediately and repaired: (a) A box that does not contain visible free oil; (b) A box lid that is missing, broken, or open except to receive servicing; (c) A box containing foreign matter, such as dirt, sand, or coal dust that can reasonably be expected to damage the bearing; or have a detrimental effect on the lubrication of the journal and bearing; (d) A lubricating pad that: (1) Is missing; (2) Is not in contact with the journal; (3) Has a tear extending half the length or width of the pad, or more, except by design; (4) Shows evidence of having been scorched, burned, or glazed; (5) Contains decaying or deteriorated fabric that impairs proper lubrication of the pad; (6) Has an exposed center core (except by design); or (7) Has metal parts contacting the journal; (e) A plain bearing that: (1) Is missing, cracked, broken; (2) Has a bearing liner loose; (3) Has a broken out piece; or (4) Has indications of having been overheated, as evidenced by: (i) Melted babbitt: (ii) Smoke from hot oil; or (iii) Journal surface damage; or (f) A plain bearing wedge that: (1) Is missing, cracked or broken; or (2) Is not located in its design position.
Title 49: Transportation
PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS
Subpart C—Steam Locomotives and Tenders
Running Gear
§ 230.102 Tender plain bearing journal boxes.
