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Old 06-19-2017, 06:27 PM   #1
romanlynch
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Join Date: Sep 2006
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Location: Lima, OH
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PLATINUM silver baby

Default mainshaft gear replacement

I'm trying to replaced some gears on the mainshaft (input shaft) and I hada question on pressing the gears off. The FSM says to press off the "ball bearing, synchro cone and baulk ring". I had the assembly setup in the press but it feels like it needs more pressure then when I replaced the gears on the output shaft. There is a collar then a conical/flat washer. Do those need to be heated up to make it easier to press off?
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Old 06-19-2017, 07:11 PM   #2
mrsaturn7085
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No, these are not components I would recommend applying heat unless you absolutely need to. The FSM should give you a maximum press force.
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Old 06-19-2017, 08:25 PM   #3
romanlynch
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Okay. I don't have the ST to use to press the main shaft either. I was using a socket that fit just past the threads where the teeth are machined into the main shaft itself and did not have that warm fuzzy feeling with how much force I was using. I'll try again tomorrow.
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Old 06-20-2017, 12:12 AM   #4
mrsaturn7085
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A socket is probably one of the last things I would use... right after an impact socket. Good luck...
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Old 06-20-2017, 08:19 AM   #5
romanlynch
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Well I didn't want to press on the threads for the where lock nut goes and there's nowhere else to try and press on. The pic in the FSM shows the ST pressing there soooo. Anyways, thanks.
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Old 06-20-2017, 12:17 PM   #6
mrsaturn7085
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The service tool is like 20 bucks and I'm pretty sure a bare main shaft is like 300+... why not just buy the tool?
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Old 06-21-2017, 05:42 PM   #7
romanlynch
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Didn't know it was that cheap. I had looked up the socket for the output shaft and that was like $205, the one for the input shaft was $90. Didn't want to put that much money into tools I'll use 1 time. I'll look into that, thanks.
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Old 07-05-2017, 10:54 AM   #8
romanlynch
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Okay so I got the press adaptor and tried pressing it again Monday. The press at work does not have a gauge on it so I went as much as I felt comfy with and it didn't budge. Sprayed it with some penetrating spray and left it till this morning (we were off Tues yesterday) and it still didn't budge. Should I just keep it under pressure an see if it pops or try slightly heating up that collar? Kind of at a loss for what to try now.
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Old 07-05-2017, 11:51 AM   #9
Max Capacity
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Have you called your local dealer and asked them how much they would charge you to press that off ?

It might be cheaper then what you've already spent.

Do you have a good machine shop near you ? I would guess that being from Ohio, there are some great machine shop's the Farmer's use.

Or better yet a Transmission repair shop may be able to press it off too.
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