The fuel injection arrangement shown below is for a large two stroke marine diesel engine used on ships Never experienced or seen such a failure on any marine or land based diesel from 6bhp to 1800bhp High pressure fuel from the fuel pump is led through a double skinned pipe to a distribution block close to the cylinder head and then through three double skinned pipes to the equally spaced fuel injectors fitted in the cylinder cover
Fuel Oil Leak Off Arrangement Archives - Marine Engineering
The fuel fuel injectors are located by studs or dowel.
Hi guys, i noticed a leak where the pipe meets the injector
I didn't look too close as i didn't want to risk getting squirted with high pressure diesel I tried tightening, but no luck it. In some of the cases, the oil leakage was related to cracks in the union nipple that fastens the fuel oil pipe to the fuel booster/pump Leak off pipes this is one of the quickest and cheapest fixes you can do
The leak off pipes link the injectors to a spill rail, which takes excess fuel back to the injection pump and then back to the tank They are small braided hoses that can wear over time and can introduce air into the system. If you are in the local orange county or los angeles's area, we can come to you for fuel module service, fuel injector service, marine diesel mechanic service, diesel fuel injection service, marine generator repair, mercury outboard engine repair, mercruiser engine repair, and boat generator repairs. Excess fuel, essential for cooling the injector bodies, is cycled back to the tank via return pipes.
Fuel injector leaking causes, indication, action because of the repeated operation leads weakening of springs, erosion and enlarging of atomization hole, wear of needle and nozzle seats etc causes the fuel valve leaky may requires immediate overhaul.
This can reduce engine performance, rough idling, and fuel usage With time, the injectors can stick or leak due to wear and tear, causing fuel delivery issues and potential engine problems such as hesitation, misfiring, and exhaust smoke.
