Regulations last checked for updates: Jan 18, 2025

Title 33 - Navigation and Navigable Waters last revised: Jan 16, 2025
§ 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, 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.

[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 77-98, 42 FR 36253, July 14, 1977]
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: CGD 72-61R, 37 FR 15782, Aug. 4, 1972, unless otherwise noted.
cite as: 33 CFR 183.524