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Implement Alley Discussion Forum

need guidance on NH model 68 Superhayliner baler

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Tom F in Hastin

09-21-2004 08:28:19




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Gents,

We're new to haying and have bought a NH 68. The former owner broke the needles and he put new ones on. He said to check the timing before we use the baler.

We have a manual and are adjusting, greasing, setting timing, etc. The manual says the needles should just begin to enter the bale chamber when the tips of the projections on the plunger have passed the points of the needles by .25-.75".

Does this mean when the plunger has passed heading TOWARD the needles, or AWAY from the needles. We neophytes don't have the experience to know.

Second, the timing marks on the knotter clutch are off a little bit. Can wear cause this?

Third, can one adjust the needle position by shortening the lift rod that attaches to the needle yoke?

Also, does anyone have a manual for a model 68? We're missing pages 13/14 and 19/20. I can accept an emailed image or a faxed copy.

Thanks so much for your assistance. The hay is windrowed and ready to bale!

Tom

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RickB

09-21-2004 17:08:34




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 Re: need guidance on NH model 68 Superhayliner bal in reply to Tom F in Hastings, Michig, 09-21-2004 08:28:19  
Needle timing is observed with the plunger moving toward the needles(rearward). Chain wear causes the timing marks to be off 'a little bit'. Adjusting the knotter home position with the pawl stop will slightly alter the timing. When working on old dogs like your S68, If the timing marks are off a little, I prefer to have the clutch half attached to the sprocket lead rather then follow the half keyed to the knotter shaft. At any rate, the marks need to be within .25 inches with the needles in the home position. Needle penetration can be adjusted as you suggest. The limits are the needles need to come fully out of the chamber, and the needle bail must not strike the lower tension rail when in the home position. I like to have the needle bail come within .5 inch or so of the tension rail when home.

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