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Issue link: http://read.dmtmag.com/i/78196
ETHANOL EDUCATION 2-cycle phase separation: Figure 9 and Figure 10 show an engine that has been destroyed from phase-separated fuel. Ethanol is hygroscopic (absorbs water); the vial pictured in Figure 11 is from the fuel tank of the engine in Figure 9 and Figure 10. In Figure 11, the fuel on top is gold in color because 2-cycle oil will only bond with the gasoline. The octane is also lower because the ethanol has separated from it and bonded with the water below. Approximately 3/4 of the clear fluid in the bottom of the vial is ethanol. The ethanol-water mix settles in the bottom of the fuel tank and is picked up by the fuel system, then delivered to the carburetor. The engine ran on this ethanol mixture, causing it to run extremely hot with no lubrication. This damage occurs in only a few minutes of operation. The engine also ran out of control, which poses serious safety concerns for the equipment operator. 4-cycle phase separation: The carburetor, pictured in Figure 12 and Figure 13, suffered from severe phase separation. More than likely, rainwater entered into the fuel system, creating the severe corrosion you see. This carburetor cannot be repaired and must be replaced. Engine failure from varnished fuel: The piston and crankshaft assembly, pictured in Figure 14, came from a 2-cycle engine that ran on stale fuel. The engine was hard to start and had low power. It ran long enough to gum all of the internal components, including sticking the rings. Dealer solutions: Great strides are being made in the effort to educate the public about the negative effects of ethanol-blended fuels, and general awareness is on the rise. However, there is still great opportunity to increase ethanol education among consumers, particularly at the retail level. 22 For example, you may have experienced customers in the spring who bring their lawn mower in for service and say that it ran just fine last fall but now will not start. What you find is a highly corrosive mixture of phase-separated gas in the gas tank and the carburetor. Now, those customers are upset because they need a new carburetor because the phase-separated fuel corroded the carburetor beyond repair. And herein lies the problem or dilemma — the majority of the general public is unaware of "phase separation" and that ethanol-blended fuel may often be the culprit causing some of the problems they experience with their power equipment. Adding to the problem, manufacturers' warranties do not cover defects caused by stale or phase-separated fuel. This is particularly problematic to dealers who are faced with the unenviable task of trying to explain why the problems occurred in the first place (due to bad fuel) and then having to defend a manufacturer's warranty, as well as the damaging effects that ethanol- blended fuel causes to fuel systems. However, with every problem, there is usually a solution. And in this case, ethanol education at the retail level is the key to solving this dilemma. Additionally, there are now diagnostic tools and tests that allow the dealer to become the "expert" in fuel-related issues while providing a higher service level to their customers. These tests also provide third- party verification as to why a warranty should or should not be submitted to the manufacturer, helping resolve conflict while educating customers. Ultimately, the dealers who gain and leverage the knowledge, expertise and tools to educate consumers about today's modern fuels will not only provide enhanced service to their customers, but also will likely move forward relative to their competition. Figure 9 Figure 11 Figure 10 Figure 12 Figure 13 Figure 14 Brian O'Neil is Chief Business Development Officer for B3C Fuel Solutions. B3C utilizes advanced synthetic technology to develop new and improved products to protect engines from the adverse effects of today's modern fuels. B3C's core products can be found at retailers, as well as lawn and garden dealers and distributors throughout the United States. For more information, call (843) 347-0482 or visit www.B3CFuel.com. All photos provided by and remain property of B3C Fuel Solutions. OPE OUTDOOR POWER EQUIPMENT www.outdoorpowerequipment.com