Keeper nut on disc harrow

[Wilburn Cox]

I have a 66" disc harrow. The front left discs (blades) are a little loose. I have tried all I can think of to remove the keeper nut, (large cresent wrench with cheater) heat. Does anyone know if the threads on this nut is left or right hand? the nut is 1 and 5/8 inch.
Thanks in advance for your assistance and have a fantastic day
Wilburn "Red" Cox

 

[Rebeldad1]

Soak the nut with Creep or other rust remover. Use a socket in 3/4" or larger drive with a long handle breaker bar. I had a nut on one of my dozers that required a 5 foot pipe on the breaker bar to break loose.

Try forcing the nut in both directions till it starts to move. by then you will know what direction it comes off.
dont use a crescent wrench... if you screw it up its harder to remove.

If all else fails cut the nut in two places and remove.

 

[airbiscuit]

Long cheater handle or impact Wrench.

 

[Farmer495]

The old disks I use have square nuts on the gangs, I use a 24" pipe wrench (I'd use it on hex too....) and as long of cheater pipe as I can find. Pipe wrench is directly in line with the nut and not off set like a socket or box end wrench, doesn't spread like a open end wrench or adjustable. It grabs tighter the more pressure...

Should be regular threads...

 

[airbiscuit]

8 point socket and a good impact wrench.

 

[oosik]

I have a rather smallish Land Pride disk harrow. One outside disk got loose. I used a HD impact socket - my large impact wrench - soaking the nut for a week in WD40. It was not easy but finally broke loose. Thank God - all the remaining disks were tight.

Got it off - cleaned the threads on the nut and shaft. NeverSeize liberally spread on the shaft threads - tightened it back up.

 

[Lineman North Florida]

The old disks I use have square nuts on the gangs, I use a 24" pipe wrench (I'd use it on hex too....) and as long of cheater pipe as I can find. Pipe wrench is directly in line with the nut and not off set like a socket or box end wrench, doesn't spread like a open end wrench or adjustable. It grabs tighter the more pressure...

Should be regular threads...

What he said, pipe wrench and long piece of pipe as a breaker bar, any that I have ever worked on were standard right hand thread and like someone else said earlier a good soaking in penetrating oil will likely help.