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beta678 · January 18th, 2014, 03:19

So I finally received my backup gun for my GBBR's earlier this week but only got down to testing it today after running into a few issues and chasing an electrical ghost down.

Anyways, its a JG G3 and the problem I have is that it will not fire consistently. I'm thinking its either a feeding issue with the high cap or a compression issue as every few shots I am able to get off at a target, the bb will end up bouncing off the paper.

I've also pulled the trigger, noticed no bb was shot, tilt barrel downward, no bb rolls out, removed mag and noticed a bb is sorta half in the hop up chamber, manually fill hop up chamber will bb's (4 bb's fit in there), held bb's down, fired it, and it manages to shoot a bb after a few pulls of the trigger.

I did take apart the gearbox while searching for my electrical issue yesterday and cleaned it out, re shimmed and re lubed and it should be assembled correctly. The one potential exception may be the tappet plate and sector gear. I'm not 100% sure I assembled that correctly but post assembly testing of the gearbox showed the cylinder moving correctly. I did test the cylinder for compression and also did some additional air sealing with some teflon tape so I'm definitely confused as to what's going on.

If anyone has any idea as to what's the issue, please let me know. AEG's are a bit of headache for me... I have pictures of the entire assembly/maintenance process I went through as I'm planning on doing a write up on it after a bit of testing so if there's anything that'd help please let me know and I'll see if I have any pics to provide additional detail.

I'd prefer not opening up the gearbox again as it was definitely a bit of a pain but if I have no problems doing so if necessary.

Thanks,
Beta678

PS. If anyone knows any tricks to closing up a gearbox without requiring another set of hands to keep the stupid anti reversal latch from popping out please let me know. Took me forever to get it closed up with the latch in the right position and not spring out...

January 18th, 2014, 03:19	#1
beta678 ASC's navel of the year! Trader rating Join Date: Feb 2007 Location: Vancouver, BC	AEG feeding issue? Compression problem? So I finally received my backup gun for my GBBR's earlier this week but only got down to testing it today after running into a few issues and chasing an electrical ghost down. Anyways, its a JG G3 and the problem I have is that it will not fire consistently. I'm thinking its either a feeding issue with the high cap or a compression issue as every few shots I am able to get off at a target, the bb will end up bouncing off the paper. I've also pulled the trigger, noticed no bb was shot, tilt barrel downward, no bb rolls out, removed mag and noticed a bb is sorta half in the hop up chamber, manually fill hop up chamber will bb's (4 bb's fit in there), held bb's down, fired it, and it manages to shoot a bb after a few pulls of the trigger. I did take apart the gearbox while searching for my electrical issue yesterday and cleaned it out, re shimmed and re lubed and it should be assembled correctly. The one potential exception may be the tappet plate and sector gear. I'm not 100% sure I assembled that correctly but post assembly testing of the gearbox showed the cylinder moving correctly. I did test the cylinder for compression and also did some additional air sealing with some teflon tape so I'm definitely confused as to what's going on. If anyone has any idea as to what's the issue, please let me know. AEG's are a bit of headache for me... I have pictures of the entire assembly/maintenance process I went through as I'm planning on doing a write up on it after a bit of testing so if there's anything that'd help please let me know and I'll see if I have any pics to provide additional detail. I'd prefer not opening up the gearbox again as it was definitely a bit of a pain but if I have no problems doing so if necessary. Thanks, Beta678 PS. If anyone knows any tricks to closing up a gearbox without requiring another set of hands to keep the stupid anti reversal latch from popping out please let me know. Took me forever to get it closed up with the latch in the right position and not spring out...