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492 New Holland Haybine lowering


 
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Charllie in MO
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Joined: 08 Feb 2011
Posts: 643
Location: SW MO

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PostPosted: Mon Apr 29, 2013 5:40 pm    Post subject: 492 New Holland Haybine lowering Reply to specific post Reply with quote

I bought a New Holland haybine, 492 if I remember
right. We went to use it and raise it up to undo
the t-arm that holds the weight off the cylinder
when transporting and can't get it to raise. There
must be another latch or something holding it, maybe
on the right side? Please help, we are getting ready
to silo some rye and are in a bind.
Thank you,
Charlie....not mechanically inclined
 
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TractormanNC
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Joined: 29 Dec 2006
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PostPosted: Mon Apr 29, 2013 5:47 pm    Post subject: Re: 492 New Holland Haybine lowering Reply to specific post Reply with quote

Your tractor may not have enough hydraulic pressure to raise the header off the stops. Also the spool valve in the tractor may be leaking down before you can jump off the tractor and release the transport lock. Don"t ask me how I know about both of these troubles.
 
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Brendon Warren
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Joined: 01 Mar 2013
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PostPosted: Mon Apr 29, 2013 5:52 pm    Post subject: Re: 492 New Holland Haybine lowering Reply to specific post Reply with quote

If its like a 488 or479 it should be the only thing holding it up maybe something is up with your hydralics. Just a thought.
 
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JMS/.MN
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PostPosted: Mon Apr 29, 2013 6:23 pm    Post subject: Re: 492 New Holland Haybine lowering Reply to specific post Reply with quote

You might have air in the cyl......remove it and cycle it several times to get full stroke at its normal speed.
 
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charlie n
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PostPosted: Mon Apr 29, 2013 7:19 pm    Post subject: Re: 492 New Holland Haybine lowering Reply to specific post Reply with quote

If all else fails switch the hoses.Could have the up plugged in the down.
 
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Bret4207
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Joined: 15 Jan 2005
Posts: 10125
Location: St Lawrence Valley, Northern NY

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PostPosted: Tue Apr 30, 2013 3:44 am    Post subject: Re: 492 New Holland Haybine lowering Reply to specific post Reply with quote

There's nothing on the other side to lock it up.
 
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T in NE
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PostPosted: Sun May 05, 2013 9:14 am    Post subject: Re: 492 New Holland Haybine lowering Reply to specific post Reply with quote

The 492 replaced the 489 after they got bought out.
 
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