Wheel presses and "precision axle knocking"..?

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Wheel presses and "precision axle knocking"..? - Locomotive repair in general as well as sticky oil issues

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Mark5		#1 Posted : 09 January 2016 01:02:46(UTC) Retweet
Joined: 29/01/2012(UTC) Posts: 1,422 Location: Montreal, Canada		Hello Märklin DIY repairmen and interested, I have read a few posts now about the "sticky oil" and about issues with axles and alignment. Three main questions.... 1) Would you/have you ever encounter a case where you needed to remove a wheel from an axle due to the stickly oil issue? 2) Would you ever take off and replace a wheel from/to the axle of your lok without a wheel press or puller? And if so how would you do it, and in what cases would you/did you need to do it? 3) If you do have a wheel press, as I know Jacques, member jvuye does, how much have you used it and have you found it easy or difficult to work with? What kind of cases did you find it necessary to use it for. I am guessing most of those who do have one are into professional repair or are working daily on collections that need maintenance. Thanks in advance for your comments. - Mark ps ... Juhan's comments below got me thinking about this once again. Not sure exactly what he means by "precision axle knocking" but would love to hear how its done. Edit added: BTW here is a link that Jacques posted to company that sells various tools for wheel pulling and alignment. I have not yet done this for any locomotive, but I do see things that could use an overhaul. I am gathering the courage to try it on an older locomotive that would not break the bank should I mess up. https://www.fohrmann.com...spezialwerkzeug.html?p=1 Still looking to hear from member's experiences in the matter. Originally Posted by: Webmaster As mentioned, it's most likely the glued oil syndrome... In worst case, the decoder motor drivers are already blown... On my 3670 [....] the whole gear train and all axles were firmly glued so I burnt the 6080 decoder in it by trying to drive it on the roller stand... It's all about the synthetic oil used by Märklin in the late 80's/and 90's which dried up and became a firm glue on unused models/shelf queens... So I had to do a 60903 decoder conversion on it and it took a lot of WD-40 and precision axle knocking to make the mechanical parts move at all, but the end result was a smoothly running D 101 [...] Taken from https://www.marklin-user...Wood-lok-2670#post505532
		DB DR FS NS SNCF c. 1950-65, fan of station architecture esp. from 1920-70. In single point perspective, where do track lines meet?

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biedmatt		#2 Posted : 09 January 2016 03:03:32(UTC) Retweet
Joined: 09/04/2012(UTC) Posts: 1,343 Location: Southwest Ohio		I have the Fohrmann wheel press set. Fortunately I also have a lathe, so I did not have to spend what seemed a lot for the bench press they sell. They are very nice and keep the wheels square so the loko doesn't waddle down the track. I also have the wheelset gauge, it too is nice. The quartering tool on the other hand, is quite fiddly. I'm still looking for a silver bullet to help me quarter wheels. The wheel press and gauge is really only useful on the older lokos. The newer lokos now use axles with bushings that will drop into the frame instead of wheelsets pressed onto axles in bushings drilled into the frame. So you do not remove a wheel from an axle to remove an axleset from the loko. Only you can really answer if the cost is offset by your needs, but I will say they are good tools.
		Matt Era 3 DB lokos, coaches and freight cars from across Europe But I do have the obligatory (six) SBB Krocs ECoS 50200, all FX and MFX decoders replaced with ESU V4s, operated in DCC-RailCom+ with ABC brake control. With the exception of the passenger wagens with Marklin current conducting couplers, all close couplers have been replaced with Roco 40397.

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michelvr		#3 Posted : 09 January 2016 16:54:12(UTC) Retweet
Joined: 06/07/2012(UTC) Posts: 1,316		Hello Mark, I use the NorthWest Short Line, "THE PULLER" part # 45-4. I purchased it about five years ago from Credit Valley Railway Company Ltd. at the time it was only $18.95! Credit Valley part # J053 If you call then today and order it you could have this in your hands by Thursday! Toll free 1-800-464-1730 Ps. Call right away before someone else on this forum beats you to it! Regards, Michel

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Mark5		#4 Posted : 09 January 2016 20:16:00(UTC) Retweet
Joined: 29/01/2012(UTC) Posts: 1,422 Location: Montreal, Canada		Hi Michel, You must have bought it when the CDN dollar was on par. Its now jumped to $30.95 CDN! ..probably still about 18.95USD ... but good to know I could get it in Canada, might save a bit on shipping. Would love to know which of your locomotives you used it with. And to hear about the results. Thanks Mark Originally Posted by: michelvr I use the NorthWest Short Line, "THE PULLER" part # 45-4. I purchased it about five years ago from Credit Valley Railway Company Ltd. at the time it was only $18.95! Credit Valley part # J053
		DB DR FS NS SNCF c. 1950-65, fan of station architecture esp. from 1920-70. In single point perspective, where do track lines meet?


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biedmatt		#5 Posted : 09 January 2016 22:39:02(UTC) Retweet
Joined: 09/04/2012(UTC) Posts: 1,343 Location: Southwest Ohio		My puller, works in tight spaces. https://www.amazon.com/M...Adjustable/dp/B00065CLXI
		Matt Era 3 DB lokos, coaches and freight cars from across Europe But I do have the obligatory (six) SBB Krocs ECoS 50200, all FX and MFX decoders replaced with ESU V4s, operated in DCC-RailCom+ with ABC brake control. With the exception of the passenger wagens with Marklin current conducting couplers, all close couplers have been replaced with Roco 40397.

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