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Re: Rear Axle Keys If only the taper were needed for grip, then WHY did Henry do all the extra work to put in a KEY????---Are we over thinking this thing????
Bill Commonsense |
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Bill Notsosure |
Re: Rear Axle Keys When I bought my Model A, one side of the rear axle had a "REX A " carbon steel tool bit for a key. It had been used as a lathe tool.
When we disassembled the rear axle and housing, we were faced with an entire rebuild including axles. What a mess; |
Re: Rear Axle Keys Great reading just checked our 29, nuts were loose. Torque to 100.
Thanks again for the reminder. Your never to old and if you are, you don't know everything. Enjoy. |
Re: Rear Axle Keys The use of an assembly compound like anti seize helps to prevent the pitting and galling evident on used axles. On perfect taper applications like machine tools I agree with the clean and dry concept.
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REMOVAL , at some point in time, is why pullers were made. If proper recommended torque is applied when assembling, that torque + will be used to 'break' it loose. |
Re: Rear Axle Keys I clean the taper and hub with gasolene or cellulose thinners and make sure they really are grease free . The key in ideal circumstances should not be loaded . I worked in the oilfield for a while and you have "tight" then "tight tight" then "tight tight tight" thats what you want,100 ft lbs nothing less . I do not like shims as I dont think you can get a good solid mechanical bond if you use them IMHO .
John in dark cloudy Suffolk County England . |
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Re: Rear Axle Keys I put mine at 125 I think or 150 cant remember. Have fun modelAtony tony white Lafayette, LA
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Thanks Dave |
Re: Rear Axle Keys No matter what you think about keys. Please check your torque. Reason I say this.
After reading a post earlier this summer on this subject. I took a few minutes, removed rear wheels, and checked the axel nuts. You could take them off by hand. I had a complete brake job done less than 1,500 miles ago by a really well known Model T and Model A restorer. Even if done properly, they need checking. Anyway, I re-torqued to100. Everything looks to be OK. |
Re: Rear Axle Keys I take mine to 90 then then turn till the slots line up. If the slots line up at 90 I use a different nut. Be sure you use the correct nuts, they are not an off the shelf garden store variety. They are hardened but I can not tell you what grade they are off the top of my head.
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Re: Rear Axle Keys Great thread. I am about to change the axles in my car as the right one has stripped threads. They are PROBABLY OK as the threads near the hub are OK but I have a good axle with perfect threads and a perfect keyway so I'm going to use it. The other axle has good threads but the keyway is wallowed out a bit. My plan WAS to have the keyway recut while I have the axles out. Two options, weld up the old one and recut it or just leave the old one and cut a new one on the other side. My concern is with the other thread about the broken axle and that they tend to break right where the keyway starts. Cutting a second keyway may weaken this area more increasing my chance of a broken axle and I don't know what effect welding may have on the axle. After reading tis thread, now I'm thinking perhaps not messing with it, just put in a new key, keep the nut torqued to 100lbs and go. Thoughts?
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Re: Rear Axle Keys Not sure anyone answered the question from dahrens 1, taper orientation ? Bratton's says taper in toward diff. and down (in keyway). Other prior posts/ threads may differ.
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Re: Rear Axle Keys Yes, the taper faces down and in.
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Re: Rear Axle Keys Glad this thread was posted; pulled rear wheels to do some adjustments and found one axle nut loose !! was able to get to 95'# and align cotter. Also, powder coated wheels need periodic checking to 60'#, even with paint removal at nuts, etc.
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Re: Rear Axle Keys Great thread here. After reading I removed the rear wheels and checked the torque on mine and only had 50 # or so on the right side and 75 # on the drivers side. Did a total brake restoration 5 yrs and 1500 miles ago with new parts throughout.
Disassembled to check the condition of the brakes, etc. and noticed the keys were worn. New parts on order. Definitely will be checking torque frequently from now on. Thanks for all the information here on the Barn! |
Re: Rear Axle Keys Oh my gosh. So much about axle torque and nothing till no 37 finally answered the other mans question. I was looking for which way the taper goes up or down.
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