#1
IP: 67.241.141.44
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Keyway Stuck
Hi folks
I'm nearing the end of an overhaul, but the old key at the end of the reversing gear is stuck. I bought a new output coupling, and I'd like to use the new key. The old one actually seems a wee bit bigger than the new one. Any tips for getting the old key off? I put some PB blaster on it. Maybe add some heat? |
#2
IP: 99.30.185.198
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The end of the key-way farthest away from us in the picture is actually rounded as a result of the machining process. If you use a small drift and your "smallest" hammer, you should be able to gently tap it in the direction the engine and up and out of it's slot. Your pre-soaking has most likely readied the key for removal.
Tom |
#3
IP: 32.211.28.40
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Personally, I think I'd leave it. What you want is a snug fit between the key and the shaft, and you have that. A little slop in the coupling is no biggie.
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#4
IP: 99.30.185.198
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I agree with Al about leaving the old key in place. The important thing is to do a test fit to make sure that the new flange coupler will slide all the way onto the shaft and bottom out on the round washer.
Tom |
#5
IP: 67.241.141.44
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Hi folks
I was finally able to drill the key out. It was very tenacious, but I think it was worth the effort to be able to put a new key in and reduce the chance of any problems with the rear output coupling. (Fingers crossed.) Thanks for the advice! James |
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key, keyway |
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