MTFCA Forum

Posted: **Mon Dec 06, 2021 8:41 pm**

Photos of my 1927 coupe front axle are attached. Should there be a cutter key on this nut?

Posted: **Mon Dec 06, 2021 8:44 pm**

4 sure! a widow maker if there's not one!

Posted: **Mon Dec 06, 2021 8:48 pm**

Yes !!!!!!
Norm

Posted: **Mon Dec 06, 2021 8:59 pm**

Cotter Pin.

Posted: **Mon Dec 06, 2021 9:07 pm**

Not only a cotter pin, but be sure the nut is the proper special nut with a convex bottom to mate to the concave surface of the wishbone.

Posted: **Mon Dec 06, 2021 10:38 pm**

Hope those nuts are loose also the perches, so you can line them up when spring is installed? That one perch looks 90 degrees out of alignment.

Posted: **Tue Dec 07, 2021 1:28 am**

I have not seen a nut like that one! Whatever nut is used, it does need a split pin.

Allan from down under.

Posted: **Tue Dec 07, 2021 9:10 am**

Yes it needs a cotter pin! You may need to use a pick to dig out the paint to find the hole for the pin to go in.

Posted: **Tue Dec 07, 2021 11:36 am**

You can leave the cotter pin out if you want to have a wreck.

Posted: **Tue Dec 07, 2021 11:56 am**

Mark Gregush wrote: ↑
Mon Dec 06, 2021 10:38 pm
Hope those nuts are loose also the perches, so you can line them up when spring is installed? That one perch looks 90 degrees out of alignment.

That's the one with the cotter pin issue. BUT are the perches on the correct ends - boss to the back.

Posted: **Tue Dec 07, 2021 12:18 pm**

http://www.mtfca.com/discus/messages/70 ... 1513701371

: 88F36F59-7474-4A11-92E0-4B7405938B99.jpeg (54.49 KiB) Viewed 2805 times

Posted: **Wed Dec 08, 2021 7:43 pm**

I was almost sure a cotter pin was needed, but thought I would ask. I am glad I did because of all the good cotter pin information that was posted. Thanks to you all.

Posted: **Wed Dec 08, 2021 8:56 pm**

BLB27 wrote: ↑
Wed Dec 08, 2021 7:43 pm
I was almost sure a cotter pin was needed, but thought I would ask. I am glad I did because of all the good cotter pin information that was posted. Thanks to you all.

Castellated nuts are designed to use cotter pins & not lock washers. However, not every nut on a Model T is a castellated one. So make sure the nuts are good before you try and insert your pin.

Bolts, Studs and Machine Screws v2_0 - sorted by Area.pdf: (613.51 KiB) Downloaded 90 times

List of hardware.pdf: (862.79 KiB) Downloaded 77 times

Posted: **Thu Dec 09, 2021 3:46 pm**

ThreePedalTapDancer wrote: ↑
Tue Dec 07, 2021 12:18 pm
http://www.mtfca.com/discus/messages/70 ... 1513701371

88F36F59-7474-4A11-92E0-4B7405938B99.jpegE33CDB13-6B6F-4AA8-A207-63C9C8604392.jpeg

Thanks for posting this cotter pin use chart.
I find even this "trivia" level of info very interesting & helpful to my T knowledge base.
Thats appreciation to any & all posting this sort of enlightening information.

MTFCA Forum

Should There be a Cutter Key Here?

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