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Red Tractor Nut & Diesel Addict
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Discussion Starter · #1 ·
Well, got everything all bolted down, hooked up & running. The 1655 is now an 1855 with this rebuilt 18hp Onan. She runs great, but a gremlin somewhere in the wiring. When the 16hp engine was in it, every now & then I would hear what I "thought" was a flywheel screen hitting the shrouding. Well, the same thing with the B48G engine. It's the starter kicking in for just a split second! I thought key switch, so took it apart, but nothing wrong with it. I replaced all the wiring when I 1st got the tractor, and all is still in perfect shape. All it leaves is a bad solenoid, so gotta dig another one up & switch it out. Last time it did it, it caused my breaker to overheat & would do nothing till it reset.
 

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Accumulator
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If you find out what is causing that,let us know.My 1655 does the very same thing every once in a while,and I have been able to track it down.
 

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HI Daniel & Maynard been busy as of late just saw this post this morning and it got me to thinking. I had a motor do this as well I'am not real sure if it was the onan on the MF 1655 or another motor.It wasn't the electrical doing that with the starter,what I found was that it was actually the spring on the end of the bendix of the starter drive that was to weak.The suction of the flywheel spinning draws air wihich in turn pulls the starter drive into the flywheel.I believe I just stretched the spring out a bit[not sure if I replaced the spring as well] I'am not 100% sure if it was on that motor or another I'am kinda leary of posting this because of me not being too sure and I'am not to particalair of looking like a [old fool] Maybe as the day goes by I'll figure out if it was on the onan.Larry
 

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Red Tractor Nut & Diesel Addict
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I think mine is actually electrical, being when it did it the last time, it kicked my circuit breaker. Also, after it reset, when I turned my key to just the "on" position, my engine would turn a few degrees by the starter, then stop. After I cycled the key a few times, it quit doing it, then started & ran just fine. BUT, what you said could definitely happen. Spring is strong on my starter, as I went through the starter before dropping engine into frame. I'm going to take the solenoid completely apart to see what's going on. I won't be a bit surprised if I find nothing. This stuff can drive ya crazy!
 

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Accumulator
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Yeah,mine is not mechanical because I can't find a thing wrong with it that way so mine also may/must be electrical,I'm guessing.
 

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Red Tractor Nut & Diesel Addict
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I just realized that being my key switch checked out fine, then the only way turning the key would energize the starter is through the ignition relay inside the solenoid that feeds the coil during cranking. Turning the key could backfeed current to the solenoid from the ignition coil feed. I'll get to that solenoid this afternoon late. If there's something broken & shorting across the internal contacts, I could get some weird stuff.
 

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Accumulator
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I suppose that is a possibility .
 

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Red Tractor Nut & Diesel Addict
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32,409 Posts
Discussion Starter · #8 ·
Got time before lunch to tear into the solenoid. The moving contact plate runs VERY close to the contacts when off. I suspect the return spring has weakened to where the contacts can hit every now & then. I will either replace or stretch the spring & rivet the solenoid back together to see if it still does it. I also removed just a little material from the stationary contacts to give more space, as they run extremely close the way it's made. In the next day or 2, I should know, as it did this every time I got the tractor out & drove it. It NEVER did it sitting still, no matter how long it ran. I suspect bumps & such caused the contacts to touch.
 

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Red Tractor Nut & Diesel Addict
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Discussion Starter · #9 ·
Stole some time before bedding stalls with sawdust & got the solenoid back together. Drove it for 15 minutes, up & down the rough farm drive. Before it would have done the starter thing 4 times at least.
Can't make it do it now! :dancingbanana::dancingbanana::dancingbanana::dancingbanana: I love a happy ending!
 

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Accumulator
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Well,maybe ( I hope ) that is the same problem I have,because I have sort of been racking my brain on this one.
 

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Red Tractor Nut & Diesel Addict
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32,409 Posts
Discussion Starter · #11 ·
Drove it another 1/2hr....NO problems! It definitely was the starter solenoid.
 

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Accumulator
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That's great that you got it figured out.
 

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Premium Member
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olcowhand said:
Drove it another 1/2hr....NO problems! It definitely was the starter solenoid.
It was a good day then!!! always nice to get things figured out thats for sure.Larry
 

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Senior Member
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Good detective work on your part Daniel! Glad you got it figured out. That's one of those bits of info I'm gooing to file away in the back of my head in case I run into the same problem some time.
 

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Red Tractor Nut & Diesel Addict
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Discussion Starter · #15 ·
Got the exhaust outlet re-routed through the grill today. Also got a new electric fuel pump installed. They only had the 4 to 7 psi pump, but I already had a fuel pressure regulator, so mounted it all up. With a more reliable engine, I can now keep the hood on this Massey! Looks much better with hood on....not nearly as *******. LOL Now for the guy to drop off the methanol so I can fill the rear tires. Then I'll be ready to tackle the large calf stall. Has a nasty area around the waterer that needs mucked out. Hope it'll do it, as only thing else I have that can do it is the big 910 Cat payloader. It barely fits in there & chance of damaging something.....again.
 

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Red Tractor Nut & Diesel Addict
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32,409 Posts
Discussion Starter · #17 ·
fordmustang1984 said:
You say "again". Does this mean you broke something before?
Lets just say there are some angle braces hanging loose here & there. LOL When the heavy loader hits the wet areas & sinks, it always does it only on one side....always next to a brace. I mean that loader "barely" fits in there...no room for error.
 

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Red Tractor Nut & Diesel Addict
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Got the tires pumped full of fluid, well, up to stem level that is. Took a tick over 10 gallons mix per tire. Was going to take pics showing the pumping process, but had to do in a hurry & camera batteries were down. Got them charged & snapped a few pics. This tractor came with 3pt taken off already, but I wanted my weight as close to tractor due to tight room coming out of calf stalls. You can see the weights on the rear...about 230lbs. I will put another of the Farmall weights on back of the last one to bring it to 260. With about 85lb fluid per rear, the total real added ballast is 400lbs, and will go to 430 with other weight bolted on, and I will be adding another 100lbs as wheel weights when I scrounge some. This tractor is a true work tractor, so paint is not a concern at the moment....just function. Looks good enough for the cat! :D
You can see where I added a pipe to route the exhaust off the JD318 muffler through the front grill. I could have went downward, but that would stir dust in the barn when cleaning stalls. The drive of the barn is hard dirt, but dusty.
I do have the driveshaft tunnel cover, just need to put it back on.
Tire Wheel Plant Vehicle Motor vehicle
 

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