33 C.F.R. § 159.63 Access to parts.
Title 33 - Navigation and Navigable Waters
Each part of the device that is required by the manufacturer's instructions to be serviced routinely must be readily accessible in the installed position of the device recommended by the manufacturer.
Title 33: Navigation and Navigable Waters
PART 159—MARINE SANITATION DEVICES
Subpart C—Design, Construction, and Testing
§ 159.63 Access to parts.