I acquired a MEP-003A in a GL auction. This is what I found.
Hr Meter = 702
No Oil filter in the Oil Filter Housing.
No Fuel Filters in the primary or secondary Fuel Filter Housings (Strainer was there)
Water/Diesel in the Fuel Tank (rust on bottom of tank)
Greyish Oil in the Oil Pan.
Rust in the Air Cleaner housing (Air Filter present)
I proceeded to install a new oil filter, but stopped there. I figured I would try and remove the fan guard so I could see if the engine would turn over. No luck seized up. I removed all the air shrouds to more easily access the engine components. I removed the starter and tried turning the engine with a pry bar but not using excessive force. No luck. I then removed the intake manifold and dumped a 50/50 mix of ATF and Marvel Mystery Oil in each cylinder. I let this sit for about a week with still no luck rotating the crank.
Next I removed each of the injectors. Using a syringe with a piece of hose attached to the end,(children's medicine syringe), I extracted the fluids in each cylinder.
Cyl #1 (Closest to the Blower Fan) I extracted the 50/50 mix I dumped down the intake,
Cyl #2 - empty,
Cyl #3, 50/50 mix,
Cyl #4 - empty.
I then extracted the fluids from the heads via the intake port.
Cyl #1 - empty,
Cyl #2 50/50 mix,
Cyl #3 - empty,
Cyl #4 - 50/50 mix.
These were all what I expected since I didn't have anything the Cyl #2 & 4 when extracting through the injector port.
Now I am glad I didn't find any water in the cylinders. I then gave a good 15sec. spray of Kroil down each Cylinder via the Injector port. Four days have now passed, and I still can't rotate the engine. I am thinking I need to dump something in the crank case, but what should I use? (ATF, used motor oil, ??)
Do I simply have a toasted bottom end?
Actually, I'm not sure. I was thinking that would be one of my next moves as well. Isolate the generator head from the engine. I would do that before thinking about another engine anyways so what do I have to lose.
I have used Ammonia to un-freeze a stuck motor, worked rather well on old tractor engines... after I get it unstuck remove Ammonia and put marvel mystery oil in and rotate the engine slow several times rather slow and let sit turn some more and add oil and turn some more and let it sit a while with oil in the cylinders....
Yes, ammonia is corrosive to aluminum. But if the engine is corroded, the aluminum pistons generally take the brunt of the attack, filling the gap between the piston and cylinder with aluminum oxide/hydoxide. This will seize the engine, BAD. The cylinder's iron walls oxidize, causing the cold thermite reaction where aluminum scavenges the oxygen from the rust, forming aluminum oxide with metallic iron which then corrodes to rust and continues.
Nothing in the crankcase will help. Try the ammonia, just for a few hours before blowing it out with compressed air.
Ammonia in all the seized engines that I have used it in have NEVER damaged the pistons... And all of the engines that I have used ammonia in were stuck due to water getting in the cylinders and causing rust.
Patience is a virtue, don't get into too big of rush, if it were mine I would give it another dose of ATF and Marvel Mystery oil, let it soak a while longer, maybe apply some slow heat if you have magnetic drain pan heater, etc. that you can stick to the block. If its on a trailer maybe take it for a ride down a bumpy road, see if some vibration will help. There is plenty of time for more aggressive actions later if this does not free it up in time.
Ike
p.s. also check to make sure the generator end bearing is not seized.
I would pit about an inch in each cyl with marvel and break-loose.Let them set about1/2 hour
Prime it while you are trying to turn it over. If you just hit the starter button a few times while your trying, this it could break the engine loose. using. If it doesn't start right away. Give it
Mark a week and try it again.
I would pit about an inch in each cyl with marvel and break-loose.Let them set about1/2 hour
Prime it while you are trying to turn it over. If you just hit the starter button a few times while your trying, this it could break the engine loose. using. If it doesn't start right away. Give it
Mark a week and try it again.
MEP-003A Seized
