OMC Pinion Shaft Shock Absorber

This topic has 18 replies, 10 voices, and was last updated 5 years, 3 months ago by fisherman6.

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January 11, 2019 at 2:05 pm #162769
wrenchero
Participant
US Member - 2 Years
where do you get brass shear pins?

mn
January 11, 2019 at 2:44 pm #162771
Ken Smith
Participant
Canada Member - 2 Years
Ben. Excellent advice! Thanks for spelling it out. I am going to try your method and see if I can salvage this thing. If anything at all it will give me some welding practice. This has been an enlightening thread. Thanks Again. Ken

www.kenadianoutboards.com
January 11, 2019 at 6:15 pm #162843
crosbyman
Participant
Canada Member - 2 Years
shear pins in brass… you can buy brass rods of the correct diameter and cut short lengths or in a bind I have taken a shot brass bolt and cut it’s head off .

Joining AOMCI has priviledges 🙂
January 11, 2019 at 8:17 pm #162844
kirkp
Participant
I have purchased brass rod of the next size up and chucked it up in my drill. Some emery cloth soon takes it down to the correct size.
Kirk
January 11, 2019 at 9:04 pm #162853
Steve D
Participant
wrenchero wrote:

where do you get brass shear pins?

If you want to cut your own I think you’ll need 3/16 brass rod found at Home Depot, Loews, eBay, etc. Chart, compliments of Garry I believe…
https://www.ebay.com/itm/K-S-3-16-in-Dia-x-12-in-L-Brass-Rod-1-pk/282469227054?hash=item41c47a5a2e:g:ko8AAOSwVAtcOIRV:rk:1:pf:1&frcectupt=true
- This reply was modified 5 years, 3 months ago by Steve D.
January 11, 2019 at 10:23 pm #162867
fisherman6
Participant
US Member - 2 Years
I also buy brass rod in the various sizes by the 3 foot length and cut the shear pins to length. Many places sell brass shear pins for boat props though. McMaster-Carr, Grainger, EBay, all sell stock so you can cut your own.
-Ben

OldJohnnyRude on YouTube
January 11, 2019 at 10:26 pm #162868
fisherman6
Participant
US Member - 2 Years
Ken Smith wrote:

Ben. Excellent advice! Thanks for spelling it out. I am going to try your method and see if I can salvage this thing. If anything at all it will give me some welding practice. This has been an enlightening thread. Thanks Again. Ken

You’re very welcome. I hope it works well for you. I’m sure you will be able to salvage it.
-Ben

OldJohnnyRude on YouTube
January 12, 2019 at 7:40 am #162903
fleetwin
Participant
US Member - 2 Years
Well, it is OK to reuse the bushing/seal housing after it has been galled up on the bottom, but you want to be sure it has not been distorted/cracked from the upward pressue of the driveshaft pushing up on it. I don’t recommend resusing it though, even if it is not cracked/distorted, this damaged piece is bound to cause confusion during future repairs in the future.
January 12, 2019 at 12:13 pm #163081
fisherman6
Participant
US Member - 2 Years
fleetwin wrote:

Well, it is OK to reuse the bushing/seal housing after it has been galled up on the bottom, but you want to be sure it has not been distorted/cracked from the upward pressue of the driveshaft pushing up on it. I don’t recommend resusing it though, even if it is not cracked/distorted, this damaged piece is bound to cause confusion during future repairs in the future.

I do not disagree with fleetwin here. The piece should be scrutinized to be sure it isn’t more than superficially damaged. I find most of them reusable. If they were not difficult and expensive to find in good condition, especially for someone without a parts inventory to go to, I would not reuse a damaged one. They are getting harder to find at a reasonable price in good shape though. For that reason, if it is serviceable, I will reuse them.
-Ben

OldJohnnyRude on YouTube
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