IHC #70 Plow Question

Bobl1958

Well-known Member
I posted this on implements as well, but wondered if anyone here might know. I have a model 70 5 bottom IHC pull plow, the plow seems to be missing the rod and spring steel on top of the beam. This is a trip plow, it has a shear pin, but on top of each beam, there is a flat steel bent into a sort of spring shape, that appears to hold a pin down that goes through the beam. I know it has something to do with the tripping of the beam, but wondering if it is needed for sure. I am missing 3 of the 5. I looked at a semi mounted plow that is going to be on a sale to see if it had them, and it was also missing some. My question is are they needed, and what are they for. Thanks-Bob
 
Bob: That is your protection. Now, it may well be locked in place, but rust is doing that, so technically you don't have trip beams. If you had a manual, it tells you how to manually trip those each season to be sure they are not rusted in place. If they don't trip, the tractor it takes to pull a 5 bottom plow, is also capable of snapping off plow beams, one at a time.
 
Hi Bob, Hugh is corret the pin, leaf spring and adjusting bolt make up the tripping nechanism on each plow beam. The adjusting bolt controlled the force required to trip the beam. This is a requiement unless you have rock and root free fields to plow.
The trip mechanism was well excerised on the farm that I grew up on. No chance that the beams would rust solid.

JimB
 
Jim: The winters are just as long in Eastern Ontario as in Nova Scotia, and I have seen it happen that quick. I suppose the salt air of NS could make the difference, however the plows were built in either central Canada or central US and the warning is in every trip beam, IH plow manual.

Why, as cold as it gets in Ottawa the plow beam could stay frozen until plowing time without rust. It would be a different story down here in the deep south. These guys go plowing every month, mind you some of it you wouldn't call plowing, more like digging.
 

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