changing Disc blades

Brokengun · Jan 18, 2012

I need to replace blades on my 480 IH disc.

Because of health problems I can hardly do this type of work anymore and will probably get some teenage help.

So what I need to know is, What’s the easiest/safest way to replace blades?

My guess is to unbolt the bearing standard (arm/assembly that holds the bearing) off.

This would allow my helper s to disassemble/re-assemble the entire gang.

Suggestions would be helpful.

Mark in Upstate · Jan 18, 2012

Take photos before dis assembly

Janicholson · Jan 18, 2012

I would put a 4X4 along the frame over the top of the gang I was going to remove, supported on crossing 4X4s to hold it up on the frame. Then use 3 ratchet straps over the 4X4 and under the shank. Remove the bearing caps, or mounts, and lower the gang to the floor. If it is not high enough, I would first raist the whole disk and put it on cribbing to allow removal of the gang. roll it carefully as it can cut off toes on the concrete. Jim

Anonymous-0 · Jan 18, 2012

I have put these bruisers together new back in the 60s, you assemble the frame on wheels, you put the disc gangs, brngs to the angle bars, lift them with a loader or fork lift attaching them to main frame. The biggest item was getting the disc gangs tight, you had to torque the arbor bolts so that it actually stretched the arbor bolts, this kept them from loosening in heavy tillage. IH made a 1-11/16 box wrench, it had a stub you put a cheater pipe, 6' and all a 200lb guy could do, while a 36" pipe wrench held the spools from turning. Also bang on end of head of arbor bolt while you tighten. I was in my 20s & weeks of this wore me down.
They were shipped by IH completely knocked down.

Keith Williams · Jan 18, 2012

I would make sure to loosen the bolts on the gangs BEFORE you take the gangs off the disk.
KAW

changing Disc blades

Brokengun

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Mark in Upstate

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Janicholson

Well-known Member

Anonymous-0

Well-known Member

Keith Williams

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