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Kato EF65 Conundrum


Davo Dentetsu

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Any idea what the item number is for the EF65? There has been so many revisions that newer motors may not fit.

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Davo Dentetsu

I believe I found a very similar Kato USA motor that should shoehorn in very nicely.  If not... I'll make it fit forcefully.  :P

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Davo Dentetsu

Famous last words.  Why in God's name do the US flywheels need to be bigger...

 

tumblr_n88fm1LupP1s9yxy6o1_500.jpg

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Davo Dentetsu

All rather moot as the armature is stuffed thanks to my useless engineering skills.

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Bummer Dave. Getting press fit parts off like that can be tricky. Usually holding the flywheel in a vise and the gently tapping the shaft out with a punch is the best approach. Don't put any force on the armature as as you found they will break easily.

 

A handy set of tools for doing this micro engineering are watch repair tools

 

Small hammer with different heads is great

 

http://www.ebay.com/itm/NEW-Small-Watch-Band-Link-Bracelet-Jewelry-Adjuster-Hammer-Revised-Repair-Tool-/390874146589?pt=LH_DefaultDomain_0&hash=item5b01ea271d

 

Little set with punches and cradle

 

http://www.ebay.com/itm/6Pcs-Watch-Band-Strap-Removal-Link-Pins-Holder-Punch-Hammer-Repair-Tool-Set-E0Xc-/161196681091?pt=LH_DefaultDomain_0&hash=item2588122783

 

Pry and punch

 

http://www.ebay.com/itm/New-Metal-Watch-Band-Strap-Spring-Bar-Link-Pin-Remover-Repair-Tool-Kit-w-4-Pins-/231260391006?pt=LH_DefaultDomain_2&hash=item35d831865e

 

Pin punch vise

 

http://www.ebay.com/itm/1PCS-Watch-Band-Link-Strap-Pin-Remover-Adjust-Repair-Tool-/390862590935?pt=LH_DefaultDomain_0&hash=item5b0139d3d7

 

Little vise / holders good for holding chassis and such

 

http://www.ebay.com/itm/Watch-Case-Holder-Adjustable-Opener-Remover-Vice-Tools-F-Watchmakers-Repair-Kits-/251038366146?pt=LH_DefaultDomain_0&hash=item3a730d79c2

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Davo Dentetsu

Seems to be an older motor from the 90s, so probably not anymore.  I have one on the way still, so I'll send that to less meat-headed engineers when it arrives.  ;)

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Davo Dentetsu

I have errantly now got two motors sitting waiting, because of a technical balls up glitch I managed to have the KiHa 201 fall off the layout board today.  Since that had a few issues anyway, time for a new one of those I guess.

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Number (Sixty) 5 is alive!

tumblr_nc6st6ACS11s9yxy6o1_500.jpg

 

Only working via a single bogie however (just can't get the driveshaft cup as a part) so hopefully a 7 car 20 Series set won't be too much hassle for it.  So there you go, although it was definitely a far sillier plan to fix it rather than just shell out for a new one, this was definitely more satisfying.

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Davo Dentetsu

Update addendum (for those not of a Latin persuasion, that means extra bit or something)

KligtpZ.jpg

 

Drive restored to both bogies now, managed to Plastimake a scratch bit with a bit of fiddling.  Also managed to make coupler mounts using a part of the Kadee box from HO stuff.  So yes... I can say it's definitely back in business properly.  Nicely satisfying to make something working from a no hope situation.  :)

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Davo,

 

Goodonya! Well done and worth breaking thru the frustration to now have a new loco!

 

Cheers,

 

Jeff

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