Re: [SergentEng] We've got trouble in River City
Mike Van Hove
Al, ( and everyone else),toggle quoted messageShow quoted text
I have no proof that the temp in the work shop/Train Room is causing this, but it could be.
This afternoon, I dug out a box of HO Std Gage Sergent Couplers, I had assembled, early last fall. They had all been tested and rubbed together to break them in, as per the instructions. They all worked fine, at that time, or I kept messing with them until they did.
They have been in this tight fitting box ever since last fall. When I opened the box, I could immediately see a coating of white powder, on the fixed jaw and the movable jaw of the coupler. A fairly heavy coating.
I also noticed that in nearly every case, (there are over 50 couplers in the box) I could see the ball move from top to bottom with the magnet. However, the Knuckle is stuck in the closed position. I can invert the coupler (same as picking up the ball with the Magnet) and then pry the coupler open with my thumbnail, in most cases. After that, I can worry the knuckle back and forth and eventually, the coupler works just fine.
Takes about 4 minutes to do each one. Pain in the ass, in my opinion.
Once I have done all this, I can put the coupler close to another and couple and uncouple with the Sergent wand.
Now, if this is a one time deal, I guess I can live with it, but heaven help me if it happens again. I was going to sell all the Kaddee Couplers I had taken off, but now, I think I better hang on to them, just in case.
I know there are many folks out there who are using these couplers quite satisfactorily. No one else seems to have had this problem. I have to wonder if I have something that's causing this Powder to appear, or if there was a bad batch of diecast material. It seems strange that only some of the couplers are affected. If it was an environmental issue, in my shop, you would think they all would be affected. The couplers I have were bought in several different batches, which might explain why some are and some aren't affected.
I have tried to take a picture of this caoting, but I just can't seem to focus in close enough to really see the detail.
Anybody got any more ideas, I'm all ears.
Mike Van Hove
On Jun 30, 2015, at 3:31 PM, Alan Hummel ahummel72@... [SergentEng] wrote: