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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,718
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915 techies
915 techies: I am attempting my first tranny teardown. new synchros req'd. I have the mainshaft mounted to the shop press to press the roller bearing off. There is no way to get a bearing seperator behind this bearing race to press it off. The factory manual photo appears to place the seperator(s) farther down the shaft, behind the slider, as if you were to press gears, bearings etc. all at once. Can anyone help and clarify this procedure and seperator placement for me. I am a mechanically inclined DIY with a fairly well equipped shop, but this is my first 915 adventure. I don't quite get this and want a helpful hint before I break something expensive.
TIA, Al 77911S in many little pieces at this time. |
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12-18-2002, 12:04 PM
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Registered
Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,461
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no press needed to disassemble the shafts. gravity and inertia will do it for you. i use one of my thick plates from the press. lay it on the ground, and grip the mainshaft firmly with both hands, and bring it down hard onto the metal plate, repetedly, until all the gears are off. sounds like butchery, but that's the way the pros do it. the metal plate is soft, relative to the mainshaft, and no damage will be done. the pinion shaft same way, but it's easier. (be very careful on early "speedo drive" pinion shafts, to not kill the drive gear on the end of the shaft).
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 Last edited by john walker's workshop; 12-18-2002 at 01:24 PM.. |
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12-18-2002, 01:22 PM
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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,718
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John,
Thanks for the tip. I'll try it tonight. Seems unnatural not to have to either buy, or make,many $ worth of tools to do this. By the way, I've seen a 23 window running around Mount Vernon. Next time I see it i'll check it out. If it's any good I'll send them your way. (I had a 1967 23 window many moons ago and i still covet one, but it's far down the list .) Al |
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12-18-2002, 04:29 PM
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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,718
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John,
Thanks again. I tried your method and it took me less than 5 minutes to get it apart. Al |
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12-18-2002, 05:22 PM
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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,718
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Well now I've gotten interested in old buses again and the internet research tells me that my 67 was a 21 window, not a 23 window. I'd settle for that again it was a great ride. Might be better with a bit more go and handling. Has anybody seen the early bus/flat 6 conversions?
Al |
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12-20-2002, 09:27 PM
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