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Posted: 7/23/2024 3:14:46 PM EDT
I ordered a replacement battery cap from TNVC and the wire lanyard is already crimped. Anyone found a good technique to open the crimp up so I can loop it around the housing?
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AZ, USA
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Posted: 7/23/2024 3:35:58 PM EDT
[#1]
The only way it's to loosen the 4 housing screws to install the lanyard. If your worried about the nitrogen purge, you can get it redone or simply open the housing in a dry non humid area.
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Posted: 7/23/2024 3:36:32 PM EDT
[#2]
Could you just use one of these?
https://niteize.com/s-biner-microlock-aluminum Other than that idea. You could de-crimp it by squeezing the edges with a pair of pliers, then slide the cable out and loop it, then put the wire back in and re-crush it? |
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Posted: 7/23/2024 6:01:53 PM EDT
[Last Edit: TNVC_Will]
[#3]
Originally Posted By dogman1911: I ordered a replacement battery cap from TNVC and the wire lanyard is already crimped. Anyone found a good technique to open the crimp up so I can loop it around the housing? https://www.ar15.com/media/mediaFiles/62756/IMG_3445_jpg-3275024.JPG If it's a non-warrantied PVS-14 then as mentioned you could remove the screw (probably have to loosen the other on the same side) to feed the loop in. Another option is to purchase a kit like this one https://www.afwfishing.com/afw/TT030B.asp however it may be a PITA to feed the wire through. ETA: I say non-warrantied because you will lose any purge that may exist. If you've had it a while likely the gas is gone so I'd just do it indoors in a dry environment to not introduce any possible moisture into the system. |
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Posted: 7/24/2024 3:04:31 PM EDT
[Last Edit: dogman1911]
[#4]
The unit is 10 years old. The hole for the lanyard is offset from the battery housing screw so removing the housing won't help. The crimp is pretty small so pinching it open seems like it will mangle it more than open it up. I'm considering hammering an awl in the crimp hole; perhaps put some heat to it first to make it more pliable.
In the end, it's not a deal-breaker if the cap is not attached to the housing, but it would be nice because we all know how that shit magically unscrews itself.  Attached File |
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Posted: 7/25/2024 12:25:05 AM EDT
[#5]
Sometimes you have to be dumber than the thing you're working on. I used tried and true safety wire.
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Posted: 7/25/2024 9:55:38 AM EDT
[#6]
Can you use a small split ring? You could put it thru the hole on the housing and the crimped end of the cap lanyard.
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AZ, USA
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Posted: 7/25/2024 10:16:28 AM EDT
[#7]
AFW makes Suflon nylon coated stainless steel leader cable in different diameters and crimps. I use that and Klien wire crimpers that will give you the same crimp on your lanyard now. I've used this for NV as well as Aimpoint Comp M series battery cap lanyards. IMHO the quickest, cheapest solution is using kevlar mini paracord for all of my lanyard retention needs.
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