Table of Contents:

Overview

Part 1

Part 2

Part 3

Electrical

Fuel Systems

Fuel Systems - Table of Contents

Introduction

General

Equipment Standards

Manufacturing Requirements

Tests

Figures & Tables

Appendix A

Appendix B

Ventilation

Safe Loading

Flotation

Downloads

Fuel Systems

Equipment Standards

FEDERAL LAW

183.542 - Fuel systems

(a) Each fuel system in a boat must have been tested by the boat manufacturer and not leak when subjected to the greater of the following pressures:

(1) Three pounds per square inch; or
(2) One and one-half times the pressure created in the lowest part of the fuel system when it is filled to the level of overflow with fuel.

(b) The test pressure shall be obtained with air or inert gas.

The entire fuel system up to the engine fuel inlet, as installed in a boat, must be pressure tested by the boat manufacturer prior to the boat being sold to a customer. The entire fuel system includes:

  • Fuel fill(s)
  • Fuel vent(s)
  • Fuel tank(s)
  • Fuel distribution(s)
  • All components and accessories in fuel distribution lines, to the attachment point on the engine. The attachment point may be a fuel filter, fuel pump or carburetor, depending on what components are supplied with, and mounted on the engine.

Each boat manufactured must be tested as part of the certification of compliance with this Federal regulation. Record the date and name of the person who performed that test.

TO COMPLY WITH THE LAW

  • The entire fuel system, up to the engine fuel inlet, has been pressure tested to 3 psig or 1-1/2 times the head whichever is the greater pressure.
  • There is no leakage.

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