NH 850 Baler tie mechanism

Mandomaniac · Jul 12, 2017

Hey folks,
Trying to resurrect a NH 850 that has electric tie mechanism.

Wonder if anyone out there has one that they would be willing to take a few pics of how the cable runs on the roller and disc. I'm missing the cable.
The real trouble is the worm shaft and piston that works the limit switches seems rusted solid in the block.
No cable or control box...although likely can rig up a switch of some nature to work the electric motor.
Good news is the motor seems to want to move when jumped.

So if anyone might have some of these parts I sure would appreciate it if you give me a shout. THANKS!

Mandomaniac · Jul 12, 2017

update!
Managed to get worm gear broken free in the block.

Maybe someone could help me out and explain if there are two cables or just one on the disc. It is unclear on the parts list.
If you have a NH 850 with working electric tie, you will know.
Thanks!

old · Jul 12, 2017

If I remember right the cable is just one in a loop that goes around the bigger pulley on the tie arm and then across the 2 idler pulleys and then has a double or triple loop on the drive pulley. The hand and electric ties both work the same other then you hand crank the one and the other has the motor

Mandomaniac · Jul 13, 2017

Thanks !
Just couldn't see how drive 'spool' wouldn't slip. Thought somehow two ends were fixed on the spool, then wraps in opposite directions up to each side of the "sunflower"
Guess enough tension that one single cable won't slip.

Even got limit switches working again. Rust sure is FUN
:evil:

Figure I will try to fabricate a cable. Think 1/8 7x7 cable will work? Not sure it is flexible enough. Any suggestions???

Will also try to fab a controller box with DP On-Off-On momentary (spring center) switch. Should allow reversing the motor.
Might just get the beast working !!!

NH 850 Baler tie mechanism

Mandomaniac

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old

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