Posted by NCWayne on July 23, 2010 at 20:35:11 from (173.188.168.49):
In Reply to: DUH!!!! posted by DeltaRed on July 23, 2010 at 10:02:43:
Both the suction and return lines come from the top of both saddle tanks on my FL service truck and each then tees turning the four lines into two single lines. The theory is that the fuel system is supposed pick up and return evenly into both tanks, so they didn't think to include, nor make it possible to install, a crossover line at the bottom of the tanks. Twice I've been sitting on a hill with nearly 1/4 tank in both sides and the upper tank either got heated by the sun and built pressure or simply self siphoned into the lower tank. Not a bad deal you'd think but even with one tank having fuel the system still picks up air from the other and runs dry. That's not a huge problem since you can pull and plug the lines on the upper tank and run on the other side (if you happen to have the right hydraulic plugs on the truck). The big problem is when the engine is a Series 50 Detroit where the injectors are under the valve covers and therefore aren't accessible to bleed. Talk about a MAJOR PITA to get a system bleed and the enine restarted...
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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