Did you know that diesel fuel can break down and plug fuel filters? Departments that use apparatus infrequently or store their own fuel are especially susceptible and need to take precautions.

Modern diesel fuel is formulated with only enough inhibitors and stabilizers to remain useable for a relatively short time. The assumption is that most fuel is transported, dispensed and used within a few weeks of being produced. While that is true for most automobiles and trucks, it may not be true for some fire apparatus and other vehicles that are operated infrequently. It is also not true for users that store fuel for extended periods.

Once inhibitors break down, microbes can multiply to form a slimy mess. Once stabilizers break down, fuel components can re-link to form long hydrocarbon chains. Both can plug fuel filters and cause problems. Adding chemical inhibitors and stabilizers may help. Installing a filter on the dispensing pump may also be necessary. Ask your fuel distributor for more information.
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This feature offers a variety of short tips and facts about apparatus maintenance and testing. Look for it every month. Submissions of 150 words or less are welcome from our readers, subject to editing. Send them to Senior Editor Chris Cavette at cavettes@ix.netcom.com