Cleanliness is next to startingness
2010-01-10 According to Nigel Calder, dirty fuel is at the center of the vast majority of diesel engine problems. Be meticulous about fuel handling, tank cleaning, fuel antibiotics, condensation, and fuel filters, and your diesel engine will run like a top. My Yanmar 1GM10 has two fuel filters, an aftermarket primary fuel filter (Racor 120R), and a secondary fuel filter on the engine. The position of the primary makes it very difficult to eyeball the fuel bowl and even harder to change the filter, and hence the primary line of defense against engine failure is substantially compromised. Changing the location of the filter by raising it a few inches should significantly ameliorate the problem. Getting at the support bracket for the filter required removing the raw water pump (bracket is visible at far left of the photo), which necessitated disconnecting the wet exhaust reservoir (bottom of photo). Then, the 11 mm socket I have was too large in dia...