mapleann
off to a rocking start
Member since July 2019
Posts: 10
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Post by mapleann on Aug 30, 2019 12:23:07 GMT -5
The cast aluminum top of my Covington is really starting to wear down around the front of the blade. I guess it’s from hand feeding small rough. It’s becoming more of a problem trying to keep the small stuff stable. Anybody else have this problem and what can be done about it?
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Post by Peruano on Aug 30, 2019 15:27:08 GMT -5
You can fab a new top and just position it on top of the original. A thin sheet of aluminum or even a tough plastic sheet with a slot for the blade would seem to meet your needs. We often use a plastic sheet with a slot cut by the blade itself to narrow the gap around the blade to keep rock slivers from falling in the tank.
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Post by pauls on Aug 30, 2019 15:30:11 GMT -5
This is not too difficult to fix, I have repaired a couple of saws at my club.
You will need an angle grinder with one of those thin blades, get a piece of aluminium sheet, I used a piece of road sign, (a member is a local road worker) Cut a piece to fit neatly in the top of your saw, you will then need to mark the saw slot, this is best done by lifting the table and marking from underneath. Then cut the slot.
If you are cutting Al with an angle grinder blade cut into a piece of bees wax or a candle first, this lubricates the blade and stops the Aluminium from clogging it.
Don't remove the plastic sign film, just put it on the down side, it helps to protect things from corrosion.
If you can get hold of a piece of stainless steel that makes an even better top plate.
The new plate will sit there quite safely and happily but you could screw it down if you wanted to, I left it loose so I can clean under it occasionally.
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mapleann
off to a rocking start
Member since July 2019
Posts: 10
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Post by mapleann on Aug 31, 2019 6:57:45 GMT -5
Thanks for the input. This will give me something to work on in Tucson where we winter.
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