Chainbreaker
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Also, XPD instructions say to make sure that both the fuel you are adding it to and Optilube itself are above the 40F cloud point. If the fuel, or the Optilube itself, is below 40F when added it will not mix properly when combined together. If the jug of Optilube is below 40F it says to bring into 70F heated environment for 24 hrs before use. It also recommends in winter to mix it when refueling at the pump as the underground tanks will maintain fuel above 40F. Not to mention the better mixing action you get by doing it while refilling.
If you can't add it at the pump by pouring into an empty fuel can while refueling, you can add it to your already fueled genset's day tank and/or Auxiliary tank and stir it with a long paint stir-stick, or whatever you can use, to cause the fuel to swirl & mix with additive as best you can. Be sure to pull the fuel tank strainer screen first, if your tank has one, to facilitate better mixing action.
A good time to treat an already fueled genset, assuming all is above 40F, would be right before a monthly test run to get the additive introduced all the way through the fuel system along with the benefit received from running circulation & warming effect of any fuel returning to day tank via return line.
If you can't add it at the pump by pouring into an empty fuel can while refueling, you can add it to your already fueled genset's day tank and/or Auxiliary tank and stir it with a long paint stir-stick, or whatever you can use, to cause the fuel to swirl & mix with additive as best you can. Be sure to pull the fuel tank strainer screen first, if your tank has one, to facilitate better mixing action.
A good time to treat an already fueled genset, assuming all is above 40F, would be right before a monthly test run to get the additive introduced all the way through the fuel system along with the benefit received from running circulation & warming effect of any fuel returning to day tank via return line.
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