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Discussion Starter #1
For the average Craftsman, MTD, Murray snowblower, is the metal on the auger tube thick enough to thread to accept zerk, grease fittings,?

I was going to use 1/4"x28tpi.

Do I need to use a bottom tap?
 

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Yes - plenty of thickness for threads. Since you need to drill all of the way through the auger "pipe", it is best/required that you remove the auger and then drill through it, and then you can use a standard tap, or some of the zerks will cut their own thread, I think.
 

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Or, a lot more tedious, you could just punch a tiny hole and use a chainsaw grease gun to fill it.
 

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My Craftsman has zerks from factory according to the manual. I thought all blowers had them.
 

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Or, a lot more tedious, you could just punch a tiny hole and use a chainsaw grease gun to fill it.
Great idea! But I can change heads on my grease gun with a cone head so no need for the chain saw gun.
 

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Discussion Starter #6
My Craftsman has zerks from factory according to the manual. I thought all blowers had them.
I'm working on an older Murray Craftsman from the late 80s early 90s and it doesn't have grease fittings. Look at the new yellow MTD Cub Cadets at Home Depot, they don't have grease fittings.
 

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neither does my newer toro nor either of the powershifts i had, yet going through them i found many times the oilite egg bearing would dry out and seize to the shafts .
IMM it is worth the labor to drill.tap and install them so my 2017 powermax got them for cheap insurance ,can't hurt only help
 
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