After observing many occurrences of the on-engine fuel filters “dropping” off of the filter head on Cummins Marine QSB 6.7 and B4.5 engines, Cummins issued a Technical Service Bulletin (TSB) TSB240112 that both shows how to assess the issue and … Read More
BELOW IS AN EASY TRICK FOR IDENTIFYING SAE VS JIC FLARES. GRAB TWO FITTINGS HOLD THE TAPERS TOGETHER AND IT BECOMES OBVIOUS. Helm Pumps, Steering Rams and ZF Transmissions often have some less common threads identified as PT, G … Read More
EP9 Fuel Solenoids There are two types of external fuel Nippon Denso EP9 injection pump solenoids that I have seen used on the marine engines by Cummins. Pics below: “NUB” style Ball Joint Style Note: Both … Read More
Introduction And I thought you knew all of this stuff – Tons already written on this site about fuel filtration, gimmicks, and the like – many individual postings, a few very long threads, and a few good articles. But in … Read More
Because I’ve been involved with a lot of older boats that have gone from “slow to fast” when repowered, I’ve learned that lots of CRAP can get dislodged from the fuel tank bottoms and walls requiring filtration in “steps.” In … Read More
What causes white smoke? What is white smoke? What can we do about white smoke? Why does white smoke seem to be more of a problem now than it was fifteen years ago? Why is it that most of the … Read More
