Posted by NCWayne on November 03, 2012 at 23:02:25 from (69.40.232.132):
Ok, what's the most strange, unusual, or whatever you want to call it problem you've ever run into that was causing a tractor, or other machine, to act up? Reason I ask is I've had a few weeks full of odd problems.
First customer called that his 555 Ford backhoe had died. Suggested he change the filters first as I've seen alot of machines dead here lately from a simple clogged fuel filter. In fact had just been out on a call for another 555 about a week before with that exact problem. So, he changed the filters, but still it wouldn't run. Being three hours away he got another machine to help load it and brought it to me. First thing I noticed a leak on the first filter in line and ask the customer about it since he had just replaced both filters. Said not enough new gaskets in with the filters so he had to use one of the old ones where the leak was. This thing has the CAV filters with the glass bowl on the bottom of one, and the metal bowl on the bottom of the other. The filter brand he used, in my experience, always comes with all of the gaskets, and usually a few extra. Still, given the current state of parts packaging I didn't think that much about it, and just used extra's I keep on the truck to replace the old, hard gasket and got the leak fixed. Then tried bleeding the system but could't get fuel through the two filters. Had fuel into and out of the first one, but no fuel coming out of the second one. Finally pulled the filter and handed it to the customer. Noticed when I pulled it there was a little fuel on the top, but none in the filter itself. Checked flow with no filter, and everything appeared to be OK. As my customer handed me back the filter I happened to notice a black band around the top of the filter. As I took it I told him I had just found the problem. Seems he had used the 'missing' gasket on that filter. Since it didn't belong there, instead of going in the groove cut out for it, it had gotten pused down and seated itself in the hole around the OD of the filter where the fuel was supposed to enter it. Removed the ring, and put everything back together, properly, and it bled out just like it was supposed to. Still had to change the fuel solenoid, which was burned out and the root cause of the problem, but what a headache that seal ring caused to start with.
Had another the other day on an L8000 Ford dump. Electrical issue with the running, signal, and brake lights acting strange, like they wre all tied together. Checked everything front and rear and other than repairing a few rubbed wires, etc. I couldn't find anything wrong, but it was still having the same problems. I finally found where the customer had put three sheetmetal screws through the wiring harnness where it runs under the floor of the cab. With the screws making and breaking circuits, intermittently, between the three wires they had cut into, it made it alot of 'fun' to figure out the problem.
Had another today on a New Holland skid steer. It had shut down on the guy on the job. He only got it running by rigging a fuel tank for it to draw out of to get it on the trailer and get it to me. Checked the filter first thing and it was NASTY and had alot of water in it, even though it had maybe 100 or so hours on it. Basically no reason for the filter to be that nasty unless there was bad fuel...which there was cause to suspect given what I had been told....So, I started draining the tank and found very, very little free water in the tank. So, I suspected trash clogging the pickup and attempted to remove it. It wouldn't turn because it was hitting the side of the tank. Looked in the tank and the tube was bent which was causing it to hit the sides...in other words there was no way it was screwed in with that bend on it. So, straightened it enough to get it out and removed it. Checked tank depth and compared it to the tube with it being bent. Even with the bend I had taken out of it it was still coming up almost 4 inches shy of the tank bottom, so before I bent it to get it out it had to be at least 6 inchs off the bottom. Got it straightened out and put bakc in, changed the filter, primed the fuel system, and she fired right up. Neigher I nor the customer has any idea how a steel tube, inside a tank like that, could have gotten bend as bad as it was. No way it could have been removed and reinstalled bent like it was bcause it wouldn't turn inside the tank......We're both stumped as to how it could have been bent as even someone trying to steal fuel wouldn't have cause it to bend like it was....In the end it's just a mystery.....but now that the tube is straight he's not out of fuel when the guage read a half a tank....
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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