Lv Petro, Inc.™
In 1980, a 1500 hour operational test on an 82' WPB (Cummins VT900
engines) confirmed earlier findings:
Beginning in December, 1988, several of the new Island Class 110' cutters began conditioning their fuel with DFT #1500 "Hammerdown" to reduce exhaust smoke and to control bacteria/fungus growth in their fuel tanks. Since the vessels and engines (Paxman RP200M 16V main engines, and Caterpillar 3304 generators) were under full warranties when treatment began, USCG Headquarters, Naval Engineering, was informed of the use of DFT #1500 "Hammerdown" and the results achieved:
In April, the Paxman service technician supervised a short test on another 110' cutter. The results, after 89 hours of operation (87 at idle), verified the DFT #1500 "Hammerdown" removes hard carbon deposits from the injectors and reduces exhaust smoke.
In April 1990 and May 1992, at the engine manufacturer's recommended change out periods of 3000 hours, the main injectors on the USCGC CHINCOTEAGUE were replaced; they were found to be like new. The same was true for the generator. Similar results were reported by the other cutters.
Based on the observed lack of bacteria/fungus in the fuel tanks of these vessels, USCG Naval Engineering directed the USCG R & D Center to conduct a controlled test of DFT #1500 "Hammerdown" for approval as a biocide. Even though DFT #1500 "Hammerdown" contains no toxic materials, at 94.7% effective, it outperformed most of the leading toxic biocides, while performing as well as the leading toxic biocide approved for Coast Guard use in controlling and preventing bacteria and fungus growth.
To gain Coast Guard approval, DFT #1500 "Hammerdown" Diesel Fuel Conditioner had to meet the following requirements:
DFT #1500 "Hammerdown" Diesel Fuel Conditioner was approved for use
in all cutters as a biocide under fuel additive study GLP #1991-039.
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