46 C.F.R. § 61.30-5
For visual inspection, access plates and manholes must be removed as required by the marine inspector and the heater and combustion chambers must be thoroughly cooled and cleaned.
[CGD 80-064, 49 FR 32193, Aug. 13, 1984, as amended by CGD 95-027, 61 FR 26002, May 23, 1996; USCG-2020-0634, 89 FR 50189, June 12, 2024]