(Topic ID: 11744)

Need help! How to remove edge connector pins w/o spending $100 for the tool?

By SunKing

12 years ago


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  • 54 posts
  • 14 Pinsiders participating
  • Latest reply 2 years ago by Tbever
  • Topic is favorited by 15 Pinsiders

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#26 12 years ago

Was the tool you were using "exactly" as in the original picture?
It isn't the W-HT-1884 (which looks identical)?
The proper tool is 11-03-0016. The W-HT-1884 is a hair wider than the 11-03-0016 -- not much but enough to make it difficult to use as it doesn't fit into the end slot properly. The 11-03-0016 fits perfectly - but, of course, costs considerably more.

I've also found out that if you push slightly on the wire into the plug while inserting the tool also helps - it removes some of the pressure of the tang hitting the back side of the retention slot. After doing a few of these, you tend to get the hang of it and it gets easier...unless there is dirt/corrosion/other crud within the contact area.

Ed

2 years later
#34 9 years ago
Quoted from markronz:

The pins simply would not come out, and I did verify that I did buy the right tool. A tool which cost me $11 something for a tiny piece of metal.

Are you really sure you have the right tool? The correct tool that fits is the Molex 11-03-0016 -- 'distributor' cost on these is higher than $11 each in less than 100 qty (embarrassing). That $11 price sounds more like the cheaper Waldom W-HT-1884. The W-HT-1884 looks identical to the 11-03-0016 but there is an ever so slight difference in width...enough to make the job tougher when using the cheaper one. Like you said, both the Waldom W-HT-1884 and the Molex 11-03-0016 are nothing more an expensive piece of metal. I tried to get a machine shop to make a cheaper version for me but that fell through. I'll have to ding his bell again.

Molex still makes the 21 pin plugs (09-01-6211) but there is no factory stock. In order for me to stock up on these, they want me to pay for an entire run - far more than I can afford for just one connector size. Regarding using the 22 pin plug - although I have never done this, I have heard several people say that using the 22 pin plug works.

BTW - the connectors have been shipped.

Ed (GPE)

#40 9 years ago

Just to add this as an FYI for future readers:

There are cheaper alternatives but they don't fit properly as they're a hair too wide.
Three major tools:
Waldom W-HT-1884
Thickness = 0.020, depth = 0.300, width = 0.055

Molex 11-03-0003
Thickness = 0.025, depth = 0.300, width = 0.055

Molex 11-03-0016
Thickness = 0.020, depth = 0.300, width = 0.035

The two cheaper versions -- W-HT-1884 and 11-03-0003 are slightly too wide
to use in the Gottlieb single sided edge connectors.

6 years later
#51 2 years ago

The top photo is the back side of an IDC type plug. Those contacts are not intended to be changed but they can. See post #16 above regarding pulling old contacts, although post #16 has crimp contacts inside, the extraction method has been the same for me.
Your second photo is a standard crimp type 0.156" contact. That will work fine as a replacement for the original as long as you crimp the wire to the contact before inserting.

Trifurcated contacts - do NOT use them here.

Bifurcated (split) contacts are a good choice for rough surface mount surfaces. These have recently been discontinued by Molex and are not enough of a benefit to overcome the additional expense. Old part number 08-50-0116, I gave up selling these about a year ago.

Regular contacts such as 08-50-0134 (smaller wire) and 08-52-0072 (larger wire) are best choice.

Contact extraction -- 11-03-0016 works well but is expensive and bends/breaks easy. AND they no longer come with the plastic handle 'knob' as shown in post #16 above. A lot of people just modify a cheap jeweler's screwdriver and use that.

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