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Allis/simplicity bevel gear box

G

G1355

Well-known Member
I know your suppose to put gear lube in a bevel gear box for the allis chalmers/simplicity models, but can you pump them full of grease? Will it hurt or not also has anyone tried. I have a seal going out, and don't wanna tear it apart. And I know if grease works I will pump it full and it will quit leaking.
 
What do you mean, how much should I put in, how would it lock up? It leaks slow now, but is getting worse the past two years
 
When one pumps grease in a gear box till it is tight that is called hydraulic lock.
I don't know how to explain any better.
But if you put say 20 pumps of grease in it that should be sufficent.
 
You can try the Lucas "seal sealer". I forget the correct name, but if anything will work, Lucas products will. Replacing the seal is the right way to do to it, but it is a pain to do. I would look into getting some JD Corn Head grease form a JD dealer if you want to try this. It's a real heavy oil type grease thats reputed to work in cases like yours.

Consider this- if you trash the BGB, you're going to be out a lot more time and money than fixing the seal will cost you. Those suckers can get expensive to fix right.
 
I would use corn head grease. Regular wheel bearing grease will get cavities in it over time and the gears will start running metal to metal.
 
The biggest pain with repairing the BGB is the way it's all sandwiched together IMO. Taking pictures as you disassemble is a good idea.
 
Haven't pumped any in yet, gonna keep running it like it is for
now. I've had one apart before, I thought it was pretty simple,
not much to them, a couple shafts, three bearings, two gears
and a few seals. That about it.
 
The BGB itself is pretty simple as long as you can ID exactly which one you have. I have one I had to send to Sandy Lake because a PO had cobbed it together and nothing fit like the numbers said it would. Getting it all sandwiched back between the frame sections is the pain.
 
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