---
kind: "section"
citation: "33 C.F.R. § 183.524"
title: "33"
number: "183.524"
heading: "Fuel pumps."
url: "https://uscodex.org/cfr/33/183.524"
---

# §183.524. Fuel pumps.

- (a) Each diaphragm pump must not leak fuel from the pump if the primary diaphragm fails.
- (b) Each electrically operated fuel pump must not operate except when the engine is operating or when the engine is started.
- (c) If tested under [§ 183.590](/cfr/33/183.590.md), each fuel pump, as installed in the boat, must not leak more than five ounces of fuel in 2 1/2 minutes, inclusive of leaks from fuel line, fuel filter and strainer.

## Notes

### Amendments

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 77-98, 42 FR 36253, July 14, 1977]

### Source

Source: CGD 74-209, 42 FR 5950, Jan. 31, 1977, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 4302; Pub. L. 103-206, 107 Stat. 2439; and Department of Homeland Security Delegation No. 0170.1, para. II, (92)(b). Subpart E is also authorized by Pub. L. 114-120, 130 Stat. 27

### Source

Source: CGD 72-61R, 37 FR 15782, Aug. 4, 1972, unless otherwise noted.

### Amendments

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 77-98, 42 FR 36253, July 14, 1977]