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7/23/2014 4:06:00 PM
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silybluesuiter
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Posted: 7/6/2012 1:30:28 PM
thought i had a blown bolt catch spring. but i took things apart and the plunger apears stuck. tried to wd-40 it but no budge. any help?
Hawcer
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Posted: 7/6/2012 3:06:39 PM
I had the same problem...the bolt catch put a little indentation on the receiver on the underside of the plunger. No one ever answered my post questioning why or how it happened. I warmed up the receiver around the plunger with a small butane torch and it popped back out. Cleaned off a small amount of flashing around the hole, lubed the plunger and re-installed it.

Dano523
Courses avec des cisaillements.
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Posted: 7/6/2012 3:14:41 PM
[Last Edit: 7/6/2012 3:16:13 PM by Dano523]
FYI, the spring gets loaded first into the channel first, then the buffer/detent installed on top of the spring.

As for getting it out (with the buffer loaded into the channel first) compressed air does the trick every time. Just remember to stick your hand over the channel to catch it, or the detent will never be found again.

Also, not a bad idea to clean up the bottom of the channel with a drill bit. Often, burs and even traces of blasting media have been know to be on the bottom of the channel, and no cleaned out when the parts are assembled.
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Obo2
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Posted: 7/7/2012 1:48:16 PM
silybluesuiter
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Posted: 7/12/2012 4:11:47 PM
just ended up drilling it. released as soon as the drill bit pushed through the aluminum. cleaned it up and wire wheeled the plunger, lubed then installed. works like a charm.
Obo2
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Posted: 7/12/2012 5:13:38 PM
somebodies putting out some crap plungers mine was from jp...

toio many of these posts in the last month or 2