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Timing a New Holland 273 Baler

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Butch

06-07-2002 19:26:22




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Can anyone give me some pointers on timing a 273 baler? Just got it out of a neighbors shed. Cleaned out the chamber, ran some fit hay into it. It tied one bale and on the second bale the pin on the flywheel sheared as did the one near the knotter. Any help would be great!!!




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Jim in Michigan

06-10-2002 19:39:39




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 Re: timing a New Holland 273 Baler in reply to Butch, 06-07-2002 19:26:22  
on the top of the baler there should be two small grooves, when the arm for the pusher comes up stop it between those marks,, the flywheel has a pointer if I remember right that lines up with grooves as well, I have a old 68 hayliner but it is almost the same as the 273,,,,



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gy3020

06-09-2002 17:20:40




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 Re: timing a New Holland 273 Baler in reply to Butch, 06-07-2002 19:26:22  
I had a NH 275( I believe that was the model of it), anyhow I had similar problems with it. If I remember right my problem was the brake that holds the needles up. When the twister(wire baler) would cycle it would let the needles move down and shear pins all over the place. I traded that baler and a 346 John Deere twine baler for the 346 John Deere wire baler I have now. I love the Deere wire baler, it works really good and with gear drive on the twister I don't have all those chains too deal with.

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Dan

06-07-2002 20:52:34




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 Re: timing a New Holland 273 Baler in reply to Butch, 06-07-2002 19:26:22  
Best bet is to get an operator's manuel. You can get one from NH and they help with trouble shooting all kinds of problems. To time it roll the flywheel to where the plunger crank is straight up, go in the normal direction of travel and works best with chamber clear of hay. There shoud be 2 chissel marks on the rail next to the plunger case. With the plunger in this position the punch marks on top of the knotter drive mechanism and the knotter lift setup should line up and the feeder fork end that hooks to the drive chain should be between the punch marks on the rear of the feeder. If all this lines up, pull out twine and trip needles and run baler through a cycle, needles should come through bottom of ale chamber just after the front of the plunger has passed. If you can't find a manuel for the 273 most NH balers will time about the same. I like to have the needles enter the chamber as close to the front of the plunger as possible. The operator's manuel tells how to line up needles in knotters and clearences and all and is really invaluable. Adjustment on knotters is on the drive chain on the left side, make sure the feeder chain is tight, my 282 calls for flex of 5/8 inch with 100 lbs pressure midway between sprockets(really tight). Good luck with the baler they are good ones.

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Butch

06-08-2002 18:28:06




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 Re: Re: timing a New Holland 273 Baler in reply to Dan, 06-07-2002 20:52:34  
Thanks for your help Dan. I am still having pin shearing trouble at the fly wheel. It appears the safety stop is not retreating to allow the crankshaft to clear. The timing marks are at about "2 o'clock" and are directly across from one another. The needles enter the chamber at approximately 1 1/2" after the face of the plunger (The needles are flush with the chamber floor.) I adjusted the safety stop to retreat a little farther but it still shears the bolt after the needles have left the chamber. Could wear and tear (play in the arm that moves the needles for instance theres alot of other wear to) be a factor in the problem?

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Kevin

06-08-2002 20:02:58




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 Re: Re: Re: timing a New Holland 273 Baler in reply to Butch, 06-08-2002 18:28:06  
hey im 16 years old we have a 268 and a 269 my dads cuzin rebuild the notter on the 269 for us bill hooks,rollers, notter breaks all that good stuff any way he forgot to retime it so when i went to bale this year it went to tie the first bale and broke the sheer bolt so i put an new one in and kept going and when it went to tie the next bale it broke the needles off thats when i found out it wasent timed and i like all young dumb kids i learned from my mistake lol any way to get to the point opin the sheild in the front were the plunger is make shor the arm that come off that gear box is sticking strait up in the air twords the sky then fallow the chain that comes off that gear box and goes back to the notter make shor the sheer bolt in the notter is still there and not broke the'll be 2 seppret round thingers any way on the top of them there should be 3 punch holes on each one and they should be lined up if there not loosin up the idaler pully its down near the gearbox lossin it up and jump the chain tooths on the sproket till all the punch holes line up tightin chain and trip notter and the turn baler by hand to make shor evry thing works before you turn the pto on good luck Kevin

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Craig MO

06-08-2002 19:08:59




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 Re: Re: Re: timing a New Holland 273 Baler in reply to Butch, 06-08-2002 18:28:06  
Make sure you needle lift arm on the right side is pulled back into the home position before you try to time the knotters. If it is in home position and your marks are still lined up then advance chain going to the knotters until the needles enter the bale chamber at 3/4 of an inch behind the plunger face. This is the correct deminsion if balers do not have any timing marks.



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Butch

06-09-2002 18:09:22




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 Re: Re: Re: Re: timing a New Holland 273 Baler in reply to Craig MO, 06-08-2002 19:08:59  
Thanks Craig, Ended up setting the needles at 1/4" in front of the plunger face. 250 bales later and no sheared pins. The marks on the knotter are no longer lined up



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