---
kind: "section"
citation: "49 C.F.R. § 229.91"
title: "49"
number: "229.91"
heading: "Motors and generators."
url: "https://uscodex.org/cfr/49/229.91"
---

# §229.91. Motors and generators.


A motor or a generator may not have any of the following conditions:

- (a) **Be shorted or grounded.**
- (b) **Throw solder excessively.**
- (c) **Show evidence of coming apart.**
- (d) **Have an overheated support bearing.**
- (e) **Have an excessive accumulation of oil.**

## Notes

### Authority

Authority: 49 U.S.C. 20103, 20107, 20133, 20137-38, 20143, 20168, 20701-03, 21301-02, 21304; 28 U.S.C. 2461 note; and 49 CFR 1.89.

### Source

Source: 45 FR 21109, Mar. 31, 1980, unless otherwise noted.