Installing zerks, enough metal for threading? - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 11-27-2018, 09:44 PM Thread Starter
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Installing zerks, enough metal for threading?

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?

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
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post #2 of 8 Old 11-27-2018, 11:44 PM
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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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post #3 of 8 Old 11-28-2018, 07:59 AM
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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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post #4 of 8 Old 11-28-2018, 08:37 AM
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My Craftsman has zerks from factory according to the manual. I thought all blowers had them.

1999 Craftsman 11.0/31 (C950-52930-0)
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post #5 of 8 Old 11-28-2018, 08:47 AM Thread Starter
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Originally Posted by guybb3 View Post
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.

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
Dynamark 8hp, 26", 12" impeller, for sale
Several other 5hp, 8hp, several 2 cycle, all for sale
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post #6 of 8 Old 11-28-2018, 08:50 AM Thread Starter
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Originally Posted by broo View Post
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.

1986 Ariens ST522, 5hp, 22"
1995 Murray Craftsman 10hp, 29" w. 12" impeller
A 1983 Real John Deere 10hp, 32" w. 12" impeller, 16" auger, 20" high front, cast iron gear box, chains
Noma 9hp, 27" w. 12" impeller
Noma 5hp, 24" w. 12" impeller, 20" high front
Gravely Convertible, 12hp Kohler cast iron, 26" width, 600 lbs of cast iron & steel, 2 speed impeller, 4 ground speeds
Dynamark 8hp, 26", 12" impeller, for sale
Several other 5hp, 8hp, several 2 cycle, all for sale
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post #7 of 8 Old 11-28-2018, 09:16 AM
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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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post #8 of 8 Old 11-29-2018, 11:45 AM
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Quote:
Originally Posted by JLawrence08648 View Post
Great idea! But I can change heads on my grease gun with a cone head so no need for the chain saw gun.
Ah one of those nice adapters!! I also like the needles for even smaller stuff.
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