Tips for seized blower lock bolt? - Snowblower Forum : Snow Blower Forums
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post #1 of 17 Old 10-18-2019, 08:25 PM Thread Starter
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Thumbs down Tips for seized blower lock bolt?

I have an hs624 that I just picked up. Would like to change the belts but canít get the auger housing off because the blower lock bolt is seized in the hole. I have tried heating with torch; unsuccessfully getting a c clamp in there and letting pb blaster sit for a few days and still nothing. Itís in such a tight spot there are no good options that I can see.

Anyone been down this road and won the battle? Tips?

Itís #5 in the below link
https://www.hondapartsnation.com/oem...24bdfd69/auger
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post #2 of 17 Old 10-18-2019, 08:57 PM
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That looks like the impeller bolt, should be able to pop it out ......

If not, you may have to pull the auger assembly in order to get at it and drive it out, or drill it out ..... You might also want to pull the shear bolts and make sure the augers spin freely.
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post #3 of 17 Old 10-18-2019, 09:04 PM Thread Starter
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Originally Posted by oneacer View Post
That looks like the impeller bolt, should be able to pop it out ......

If not, you may have to pull the auger assembly in order to get at it and drive it out, or drill it out ..... You might also want to pull the shear bolts and make sure the augers spin freely.
Yeah I have the auger out and still the best way I can get to it is a punch through the shoot.
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post #4 of 17 Old 10-18-2019, 09:40 PM
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Did you get the nut off? This happens from time to time to me. I spray it with penetrating oil like you and then use a stubby phillips head screwdriver to punch it out.You could also use a brass hammer to hit the head of the impeller bolt about 100 times. maybe the vibration will loosen it up.

Keep at it. haven't lost this battle yet.

"It Feels Like Beer O'Clock "
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post #5 of 17 Old 10-18-2019, 10:10 PM
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Yeah I have the auger out and still the best way I can get to it is a punch through the shoot.
Why do you need to punch it through the chute, if the auger assembly was already out? Don't you need to remove the pulley from the back side of the bucket first, before you can pull the auger assembly out of it?
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post #6 of 17 Old 10-18-2019, 10:16 PM
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That is a hex head bolt, so use a wrench to tighten, or loosen the bolt first. That will help breaking up the rust, if pen oil didn't get in there. If you have an impact wrench, that would even be better.
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post #7 of 17 Old 10-19-2019, 04:02 AM
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That is the bolt that connects the blower to the auger drive pulley shaft, which would have to be removed if you want to change the bearing, that's the only reason it would have to come off.
You can remove the auger assembly or the whole housing without having to remove the blower from the blower drive shaft. You don't have to remove it to replace the belt either.
It is tricky to get to that bolt because it is in the "Blower Housing" part of the auger, so it is difficult to get an impact wrench on it or to get a punch on it and drive it with a hammer.
It probably seized in the drive shaft, rusted fast. That is one part usually no-one ever removes unless they want to change the bearing for the shaft.
It would be difficult to get a drill in there to drill parts of the shank and head off the bolt to drive the shaft out of it because there isn't much room. You would end up using a 90 degree drill to get in there after you ground off the bolt head and the remaining threaded part on the other end before you could start drilling about an eighth of an inch on each end to clear the blower so you can drive the shaft out after you remove the auger housing from the Tractor Frame.
Another thing that can cause that is if it is warped, twisted like a shear bolt can do before it snaps, then it will get caught up and be a pain to get out if the holes are not lined up perfectly.
Put a wrench on it first and try to twist it to see if it will move at all before you pound on it and mushroom it, then it wont come out if its mushroomed.
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post #8 of 17 Old 10-19-2019, 07:36 AM Thread Starter
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Originally Posted by ST1100A View Post
That is the bolt that connects the blower to the auger drive pulley shaft, which would have to be removed if you want to change the bearing, that's the only reason it would have to come off.
You can remove the auger assembly or the whole housing without having to remove the blower from the blower drive shaft. You don't have to remove it to replace the belt either.
It is tricky to get to that bolt because it is in the "Blower Housing" part of the auger, so it is difficult to get an impact wrench on it or to get a punch on it and drive it with a hammer.
It probably seized in the drive shaft, rusted fast. That is one part usually no-one ever removes unless they want to change the bearing for the shaft.
It would be difficult to get a drill in there to drill parts of the shank and head off the bolt to drive the shaft out of it because there isn't much room. You would end up using a 90 degree drill to get in there after you ground off the bolt head and the remaining threaded part on the other end before you could start drilling about an eighth of an inch on each end to clear the blower so you can drive the shaft out after you remove the auger housing from the Tractor Frame.
Another thing that can cause that is if it is warped, twisted like a shear bolt can do before it snaps, then it will get caught up and be a pain to get out if the holes are not lined up perfectly.
Put a wrench on it first and try to twist it to see if it will move at all before you pound on it and mushroom it, then it wont come out if its mushroomed.

Thank you! Sounds like I need to get a repair manual as I thought this would have to come off to change the belts.
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post #9 of 17 Old 10-19-2019, 08:36 AM
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I have never seen a machine where you have to remove the impeller to change a belt?


But hey, you never know, as I have not seen every snowblower.
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post #10 of 17 Old 10-19-2019, 11:06 AM
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Quote:
Originally Posted by oneacer View Post
I have never seen a machine where you have to remove the impeller to change a belt?


But hey, you never know, as I have not seen every snowblower.
you don't on a Honda but I think the owner wants to perhaps service the augers by cleaning all the shafts and replacing the auger bearing. I have seen bearing seized on the pulley shaft and i had to cut it off.

I use a brass hammer as to not mushroom the pins when hitting them. Usually when a machine has not been serviced like this for a very long time everything is seized. Lots of penetrating oil, heat and ...............PATIENCE .

"It Feels Like Beer O'Clock "
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