Tow Professional Issue 5, 2014 The Buyer's Guide

Page 30

Lube tAlk

Traditional Fuel Injector Pintal

When evaluating diesel additives for improving lubricity of ultra-low sulfur diesel, it is important to look at other factors involved in fuel system and cylinder maintenance and performance. Injector performance is a matter of design and quality coupled with cleanliness. A perfectly clean injector operating at design pressure can be very effective in providing fully atomized fuel to the cylinder for combustion. Allow deposits or lacquer to build up in areas of critical clearances and you have the formula for trouble. Injectors fire at pressures between 10,000 psi and

High-Pressure Common-Rail Fuel Injector Pintal

30,000 psi, depending on application and manufacturer. The slightest impairment can cause diminished performance. The optimum performance and efficiency takes place when the injector provides a 360 degree puff of fully atomized fuel to combust fully with no unburned fuel. Any liquid drops will be partially burned and result in high carbon waste and deposits. For years, the industry has concentrated on the injector tips as the critical point to maintain as clean as

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Tow Professional | Volume 3 • Issue 5 | www.towprofessional.com


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