Knuckle Couplers

Allan if you need the dummy couplers we offer them here is a link:

http://www.scalecitydesigns.co...-Walthers_p_267.html

98% defective is a very impressive number.  Makes me wonder what went wrong in the manufacturing process that created the good ones you have.  

AUSSTEVE! 

To tell you the truth I've checked and they all do the same thing. It's starting to PASS ME OFF!!! What Am I Doing Wrong??? Do you have a answer for me PLEASE? Or if there is anyone out there who might be reading this I'm Begging For Your Help before I pull what is left of my hair. 

Allan 

What I see as the problem is that they were stored or got hot sitting upright and the metal release thing is heavy enough to dislocate the locking pin.   I bought 57 cars from my neighbor.  most were stored on their side and work fine.   Two where stored upright and that disconnect "button " has sagged and they will not stay closed.    Going to put a super small rubber band around the inner coupler and see if that cures it. 

Also I may try sitting them on their tops and using a heat gun to see if the "buttons" weight with cause the bar to bend back the way it should be..

Couplers are probably the most neglected thing when it comes to periodic preventive maintenance.  For the most part they're just a mechanical latch so treat it just like you would any other sticking lock. Get a can of compressed air and a tube of graphite powder for locks.  Every couple of months blow the coupler out with some air and apply a little graphite.  Don't put it back into service until it works 100%.  I'm betting your coupler problems go away.

wild mary posted:

Couplers are probably the most neglected thing when it comes to periodic preventive maintenance.  For the most part they're just a mechanical latch so treat it just like you would any other sticking lock. Get a can of compressed air and a tube of graphite for locks.  Every couple of months blow the coupler out with some air and apply a little graphite.  Don't put it back into service until it works 100%.  I'm betting your coupler problems go away.

Won't fix mine : )   I can see the bar and pin sagging ..   when I push it up it locks.   I let it go it unlocks again.