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i don't have any spare parts but i have several working units if you need to check values on something

knuckles, you are about 60 miles from me, throw it in a truck and come see me, I have 10 units, so plenty of spare parts.

etn550, we wanted to know if the fuel was being injected or left over from some other event. this proved the injection system was injecting.

are they not the same as the 802?? oil = 51374, fuel = primary 33472, secondary 33348 (wix) as to not starting, you know the pumps are working and the heaters are heating, so about the only other thing is are the nozzels spraying fuel correctly in a mist or just a stream. odd that all would fail...

ok, well it just sounds like it is too cold to start. maybe the heaters are bad. put a hair drier on high in the air filter intake. it is normal for there to be a lot of black smoke at first because they start at max fuel delivery.

crank it with the switch by the filters so the shutoff solenoid is in the off position. is there any smoke now? use the preheater and do the same, any smoke? this will indicate if it is the fuel system or if there is just a lot of fuel or oil in the cylinders.

you need to be very careful and have a plan for when or if it becomes a run away. remove the pumps and be sure the fuel control sleeves move VERY easily, also the rack that moves them. something was or is stuck or sticky. use 2+2 gum cutter to disolve the old diesel fuel that is causing the issue.

Ok, well now it is time to do an autopsy on a pump!! If they don't work, you can hardly make it worse. Looks like the top fitting comes off, I would suspect there is a delivery check valve there, it may be stuck or missing. Just remember all this is very precision and must be kept very clean and...

Well, just block off the return to the tank and with the pipes to the injectors loose, crank it and see if it primes the pumps.

It might be worthwhile to measure the fuel pressure at the return line. If it is 5 psi, I would then see if the pumps prime themselves while the gauge is on so there is pressure in the line. I don't know if the return line has any sort of restricter to maintain any pressure but would think it...

HCSO2332, When you had the pumps out, did the fuel control sleeves rotate easily? Knuckles, It depends on the dump sleeve position. Do the math, 1/2 gal per hour max divided by two. 1/2 gallon is 1892 cc for both cylinders so 946 for one. That is 15 cc per minute, per cylinder, so .017 cc...

Ok, I rewrote it to be more specific. Interesting that the quote you put completely ignores the final fuel filter. Tom

This engine does not have an injection pump as most people think of it, it has individual metering pump and injector for each cylinder. It is possibly the simplest system known. You will need to remove just one metering pump. There is a pin sticking down from it that engages in a slot in the...

you still have not said if the solenoid is pulling the shut off lever. first thing to check if you have fuel returning to tank.

the fuel rack lever gets stuck. it is the lever the solenoid pulls when you turn on the switch for run/prime. make sure it is pulled all the way back or no / low fuel. also pull the speed control knob all the way out. the fuel system on these is self priming, just leave the switch in prime for a...