Posted by will-max dairy on February 21, 2014 at 08:14:41 from (188.8.131.52):
First winter running this 1755 in need of some TLC.
I've kept it plugged in to a block heater and such. It's had hydraulic leak/freeze up issues all winter that I have managed by topping of the fluids and letting it warm up every day for about thirty minutes.
Fuel ALWAYS treated with Power Services antigel.
About two weeks ago, It started to lose power under load. Just barely noticeable.
The next day, It started OK; but smoked more than usual and acted as if the throttle was non-existent. If I opened the throttle, instead of rpms, I either got skipping, smoke or nothing...just sat there and idled.
I put it back in the shed. Later that day, I added some diesel 911 and fresh fuel. It started and now had throttle response. There was some skipping and smoke; but it at least ran well enough to move a couple of round bales for the day. Albeit still no real power. If the engine got taxed, it would lose rpms rapidly and start smoking. Did my chores in low gear.
So, I changed the fuel filter. It was the glass NAPA 3370 style. I warmed up the tractor, filled the new filter with fresh fuel, shut off the tractor, quickly made the swap and then started her up again. Started easily and ran OK. I added more fresh fuel to the tank, up to about three quarters full. Fuel straight from a pump at a station, no risk of contamination.
I took the old filter inside and drained it into an aluminum pan. Holy crap! There was maybe a cup of fluid in there. In the pan, it separated out into about a half cup of clear fuel floating on top of about a half cup of what looked like gravy. The gravy appeared to be a mix of water and these little needle shaped, rust colored particles about as long as a grain of rice.
I now start OK. Idle OK. Revs OK without a load (maybe spews a few sparks). Still no real power though.
My next thoughts are:
Air? If the fuel filter looked like that, what does the air filter look like?
Fuel contamination or water damage somewhere else in the system? When I removed the old filter, it had a slug of that gravy looking crap hanging out of one of the bottom holes of it. That stuff must have been in the fuel tubing at that location. A little bit of clean fuel poured out of those tubes on the block before I put the new filter on; so I was hopeful that it was cleaned. Is there another location that water could have accumulated?
Obviously, I may have a bigger issue (injectors, valves, loss of compression, etc.)
I'm just trying to see if I missed anything obvious.
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