Stop welding ring gears on

scooter4

Member
Good evening,
3 years ago I replaced the ring gear on my Ford 2N and measured that it was .010" bigger inside diameter than should be. When I did searches I found others had complained of them slipping and were welding them on. I felt like there was a better option.

So it has been 3 years since I installed the ring gear using green penetrating loctite instead of welding it like others do.
The ring gear has not moved and I think welding the gear on is damaging and unnecessary.

use green penetrating Loctite. Since the gear is thin and Loctite is anaerobic, apply household sealant or silicon around the joint after applying the Loctite to seal off oxygen and ensure it cures.
Loctite on a 12" diameter can take a lot of torque. I used household sealant and just left it.

I realize there may be applications where this is not strong enough like a diesel requires more torque, but it will probably work on a lot of small tractors.
You decide for yourself if you want to try it.

Scooter
 
A good bead of loctite around a ring gear I think would hold up
to a locomotive I bet . As far as welding you aren’t welding
long enough or shouldn’t be to damage anything
 
Good idea!

That green bearing locker is some tough stuff! It comes in various varieties depending on how much clearance you are working with.

I've heard of welding them, but never tried. Most flywheels are cast iron, so not a real good option I wouldn't think.
 
I should mention the process.

1. install ring gear as normal or fixing one already installed.

2. seal one side of flywheel/gear so the Loctite does not run out.
Penetrating Loctite is used to wick between the gear and
flywheel.

3. lay the flywheel flat with unsealed side up and fill the ring
gear joint with Loctite. Wipe off excess.

4. seal the exposed side and allow to cure recommended time.


mvphoto57725.jpg
 

Its cast steel a EZ weld job you do not have to look over your shoulder its gonna stay PUT!... : )

If I glue a customers on I get to do the repair for free if it fails,,, if I weld it on I can pert neer forget about it...

The next issue is if you know it don't fit why the ell do you take the gamble... NO, I would not glue it on its there in front of you take care of it NOW...
 
Can't argue that your locktite worked.
I just looked up your old thread where we
discussed this on the N Board and believe
you Way over thought this.
Here's why.
* I would pull the starter and weld the
ring gear to the flywheel through the
hole with a good cast iron welding rod.
*It looks like you had to split your
tractor to fix yours.
* Ugh.
* Four evenly spaced tacks about 1/2"
long will not cause appreciable imbalance
to your 40+ lb flywheel.
* Takes about 5 minutes once the starter
is out to weld it.
* No drying or curing on the weld. By the
time you get the starter put back in the
tractor is ready to go to work.
* 4 tacks are not destructive or
permanent. They can readily be cut off
with a slitting wheel on an angle grinder
IF in 25 or 50 years the tractor needs
another ring gear.
*** Make Darned sure you hook your ground
clamp to the front crank pully and No
place else or you will arc through your
crank bearings and ruin them.***
*Your way works perfect.
* My way is better than perfect. It's
Done!
 
You should be fine. my 9N the PTO engagement lever was loose on the shaft so I cleaned it with brake clean and wicked in some red or green Loctite probably 30 years ago now and it has not slipped yet. Under the right conditions I really have to pull on the lever to get it to disengage PTO.
 
(quoted from post at 21:38:33 07/01/20)
Its cast steel a EZ weld job you do not have to look over your shoulder its gonna stay PUT!... : )

If I glue a customers on I get to do the repair for free if it fails,,, if I weld it on I can pert neer forget about it...

The next issue is if you know it don't fit why the ell do you take the gamble... NO, I would not glue it on its there in front of you take care of it NOW...
TDT Hobo, weld has held for decades for me!
 
Too bad someone can't just make a ring gear of the proper size ? Sounds like poor made aftermarket parts to me.
 
yep get it real clean and add some primer too. If the metal is coated it will need primer to activate it.( especially true on coated bolts)
 
personally I have never seen one slip in my life,, but I guess I can see how it could happen if installed wrong or like said a incorrect sized one
 
Could do but probably not enough to notice on an engine that runs that slow. But the loctite I think Is a good idea
 

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