Grease zerk pulled out of auger shaft while lubing. - Snowblower Forum : Snow Blower Forums
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post #1 of 21 Old 11-27-2019, 08:22 PM Thread Starter
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Unhappy Grease zerk pulled out of auger shaft while lubing.

Hello all. I am a little frustrated. I attempted to lube the auger shaft with a grease gun with red & tacky grease with lithium. It seemed the grease gun failed after seeing a little grease push out of the shear bolt hole, with the shear bolt removed to spin and spread the lube around the drive shaft. I tried the other side and no grease seemed to be coming out. I then pulled the grease gun coupler off, and the zerk came with it.





I have a hard time telling if the threads of the auger are stripped, but you can see the zerk threads are done for. Any suggestions on what to do about this issue?

Thanks for any replies!

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post #2 of 21 Old 11-27-2019, 09:10 PM
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It appears that zerk was one of the pressed in fittings. You can tell by the rounded circumference, where a wrench would have had access and what appears to be the press lines for a one way press on grab instead of actual threads. Many Craftsman and other brands have/had press in zerk fittings.

You could try tapping for a thread in zerk, but the reason they used the press in ones was most likely due to the lack of material in the auger shaft gauge of metal. I would probably just pull the shear bolt/pin a couple times in the season, and maybe once off season, and lube the ends and shear holes with a nice spray lube, spin it, and call it a day.
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post #3 of 21 Old 11-27-2019, 09:40 PM
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Kind of looks like it's tapered which would most likely mean it's threaded.


Also looks like vise grips were used to tighten it at one point..



That is probably something like a 1/4"x28 threaded fitting so I'd find another at an auto parts store or tractor supply and get some high strength thread locker and clean the hole of grease with some brake cleaner or such and use some of the thread locker and definitely do not over tighten while you install it as the threads might be pretty well knackered in the hole!! Hopefully it's not too cold out as the threadlocker needs a day to cure at a minimum when it's not winter.


The threadlocker should fill up any busted thread spaces and once cured it's like a strong plastic and should hold the grease fitting in place.


good luck.
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post #4 of 21 Old 11-27-2019, 10:38 PM
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I agree 100% with oneacer, no threads, possibly pressed in because of not enough material for the threads, use a spray oil lube, tilt the machine, let it run to and down the shaft, call it a day, live with it. Another thing you can do, Mig weld a spot on it.

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post #5 of 21 Old 11-27-2019, 10:56 PM
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It's a press fit zerk.
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post #6 of 21 Old 11-28-2019, 07:22 AM
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pressed in zerk,big giveaway is there is no hex it's just round.
as to installing a new one, first see if the hole can be threaded 1/4 x 28 if so go to it. than sometimes one can check to see what metric size works

for a little info on zerks https://greaseextensionhoses.com/gre...dentification/
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post #7 of 21 Old 11-28-2019, 08:57 AM
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Can't say I like the idea of a pressed in fitting. What are you suppose to do when the fitting malfunctions (which they do)? A bit more complicated of a repair (whatever that may be) than simply threading out defective and threading in the new.

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post #8 of 21 Old 11-28-2019, 10:02 AM
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Ariens current models use a press-in zerk for the auger. I use a grease gun fitting for mine that has a head just about the size of the ball in the zerk so it does not put any pressure on the zerk. The grease gun fitting is made for cup type zerks and 4WD double cardan universal joints.

My old 2004 or so Craftsman built by Husqvarna had the same press-in zerks and my regular grease gun fitting tore out the zerk. It re-installed ok and after that I used the small tip grease fitting and no more trouble.

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post #9 of 21 Old 11-28-2019, 10:44 AM
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Quote:
Originally Posted by MrSnowBlow View Post
Can't say I like the idea of a pressed in fitting. What are you suppose to do when the fitting malfunctions (which they do)? A bit more complicated of a repair (whatever that may be) than simply threading out defective and threading in the new.
You just take a small deep socket that fits over the ball of the fitting but not over the shoulder, place it in the hole and tap it in with a hammer, easy peazy, put a dab of red Loctite on it first too if so inclined.

But I agree, I also don't like them and prefer threaded ones.

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post #10 of 21 Old 11-28-2019, 10:52 AM Thread Starter
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@notabiker

Quote:
Originally Posted by notabiker View Post
Kind of looks like it's tapered which would most likely mean it's threaded.

Also looks like vise grips were used to tighten it at one point..
Actually the grease gun coupling had a very firm fit when it pulled off the auger. I had a heck of a time getting it out of that coupling, that was where those marks came from.

Thanks for the input.

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