You have at least one issue, perhaps more.
1. Oil level was over full.
The float in the carb is stuck open which causes fuel to drain into
the carb and then into the intake valve, by the piston and into the oil
reservoir.
It isn't that unusual as I have had this happen on vertical shaft
Briggs engines.
2. Plumes of smoke
With the oil overfull with oil and gas, the oil is now very thin
which blows by the piston rings, gets into the cylinder and blows lots
of smoke.
3. Blowing oil out the engine - you have way too much oil and gas in the
crankcase.
Solution:
Remove the carb and unstick the float valve/replace if needed, and clean
the carb and blow out all of the passages.
Drain the oil and replace. Once you get it running, drain and replace
again to get rid of the last bits of gas in the oil.
Its best to install a fuel shutoff valve between the tank and the carb,
that way if you have a leaky float valve, this won't happen again.
If the spark plug is fouled up really bad, you might need to replace it.
Chances are that your engine is still ok.
If you are running the tractor on standard pump gas, that is likely the
issue. The Ethanol in our crappy gas attacked the die castings that
the carb is made of the results in zinc oxide (white stuff) in the carb
which plugs up passages, etc. If you can, start buying alcohol free
gas and use that in your lawn equipment, weed wacker etc. Life will
become much easier! :-)
I used to service small engines when I was younger. I was even a
McCulloch chainsaw repairman. Back when they were a real American
company that made things in the US. Now McCulloch is just a brand
name used by a Chinese company.
Dave
On 6/5/2019 3:24 AM, Gene Heskett wrote:
On Wednesday 05 June 2019 01:06:33 am Andy Pugh wrote:
On 5 Jun 2019, at 00:15, Gene Heskett <[email protected]> wrote:
Get up this morning, check the oil & its 1/2" overfull???
Is it a vacuum fuel tap? If the vacuum diaphragm goes it can let fuel
in to the crankcase.
No, straight gravity feed, with a hand operated globe valve (1/4 turn)
shut off in middle of line from tank to carb. It did not leak, other
than draining the paper fuel filter downstream of the valve while turned
off and left hanging when I removed the carb to give it a soaking in
carb cleaner. I drove it around at idle to park it in front of the
garage, lots closer to the toolboxes. I have another rider with a 12.5
it it, and its a tossup, but since the deck on the other one is in much
better shape, I am tempted to put the rear end/tranny out of the JD
under the even older craftsman if I can see the shifter can be made to
work.
But Fred can have that bigger 26 hp craftsman ready in about the same
time frame if not quicker, with a brand new deck under it. So I think
I'll wait. This ones big enough to push a snowplow, if A, I can find
one, and B, global warming ever lets it snow here again. We had 3" once
last winter, and 3" only makes me drive a little smoother. My F150 crew
cab is 4wd of course. WV, with all its hills, has more 4wd's than 2wd's
in the small truck category. You want flat ground to park it on? Bring
a cat and a few barrels of #2 to feed it. Ditto for the mowers, they
wear wheel weights on the drivers and chains year round.
I saw a 4wd rider, a kubota, at Freds, but it belongs to a local church.
Sure would have been right at home on my lot. I'd guess it was close to
$12G's new. Had that teeny single cylinder diesel in it. Wife's niece
has the same engine in a miniature pickup, 25 yo, starts by steppiing on
the throttle, and has never been touched. It just fires up and takes you
anyplace on Rusties place you point it at. He has around 6k acres of
Cornell land (Cornell is a land grant school) and around 1200 of his
own. Was dairy farming, but the price paid for milk in the cooler right
now is about a buck a gallon less than the cows eat, so he quit milking
3 or 4 years back and is now selling the grain that the milk barn used
to need. And keeping the rest of the other NY dairy farms stock up. His
Holstein herd is now a calf factory.
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Cheers, Gene Heskett
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