Posted by david123 on January 27, 2008 at 19:53:59 from (66.119.59.2):
I have a farmall M with ker/dis engine. This summer and fall ran fine, no problems. I try to start and run every week or two to keep it up over the winter.
I started it today and it started fine and runs ok, but even at the highest throttle setting it barely has enough power to move on flat ground. Also, even after running an hour and a half the temp gauge never moved and I know that it works.
Today the temperature here zoomed up to fifty. A heat wave!
I went out to start the tractor and she started right up. While letting it run I checked the fuel and noticed it was almost empty so I filled up with fresh fuel.
I also fashioned a grill guard out of cardboard and some bungees (my unit does not have shutters.)
I let it run a while and unlike the last time, the temp guage did start to move and eventually made it to the middle of the cold sector of the gauge, it never quite got to the "run" section.
I let it run a while longer and noticed a few times it started to rev up for just a second or two then went back to where it was.
I tried checking as much as I know how, Checked the oil, checked the air filter, took off the dist cap and checked the rotor and cap, checked the voltage of the battery.
By this time the engine block and the transmission casing may not have gotten "hot" but were warm to the touch, so I think this rules out ice.
I checked my tractor manual for illumination. It says to make sure on gasoline I need to set the lever on the manifold to cold rather than hot.
I looked to see if I could do that, but my manifold does not have that lever, it looks like the original manifold was replaced with the one for gasoline engines.
I checked the operation of the linkage to the governor and it seems to move properly.
I am not sure where to go next, nothing seems wrong but it still has no power when put under load.
Does anyone who knows these things better than I have any ideas?
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