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July 8th, 2010, 11:03
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#1 |
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5.1 Trigger Issue
Hey guys, just a quick question. For a TM 5.1, when you pull the trigger, what causes the trigger to return back to its original position?
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July 8th, 2010, 11:30
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#2 |
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I would think it's the leaf spring.
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 Airsoft Sales and Repair/Upgrade Services |
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July 8th, 2010, 11:37
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#3 |
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yes its the leaf spring, the middle prong(IIRC) sits on the sear and in terms sits on the trigger bow/stirrup...
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July 8th, 2010, 11:55
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#4 |
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Heres the dilemma im experiencing. When I pull the trigger, the trigger gets stuck and doesnt return back to the original position. I need to manually push the trigger stirrup at the back to return the trigger to the original position. Here is a clip I made:
 ]Here are some pictures incase I messed up any other internals:          If u look at the last pic, I made sure that the stirrup can slide smoothly in the grip so thats not the problem Last edited by turok_t; July 8th, 2010 at 12:10.. |
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July 8th, 2010, 12:29
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#5 |
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I was wrong, its the right prong, it pushes on the disconnector and in terms pushes the stirrup...
You can try bending the spring more to see if the extra force helps, if not then you gotta find where the parts are sticking... |
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July 8th, 2010, 13:04
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#6 |
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Is that hammer, sear, and valve knocker in the right place tho?
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July 8th, 2010, 13:16
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#7 |
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yes, they are set correctly
is there any resistance when you manually move the trigger, when it's bare in the frame it should literally be sliding in and out on it's own when you have assembled it, minus beavertail, how freely did it slide. did you feel any resistance? you have the annoying problem of either an incorrectly bent leaf spring or a bent trigger stirrup. both will drive you nutz
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July 8th, 2010, 13:42
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#8 |
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Okay, so i removed the frame, all i have is the prong, trigger and the grip, and the trigger pulls smoothly.. here is a clip:
 I dont think the leaf is bent, it looks okay to me. One thing i forgot to add which may be important in diagnosing the issue. The hammer can ONLY be pulled down and remained pulled when the trigger is pushed forward. If the trigger is stuck at the back, the hammer can be pulled down, but it doesnt stay down. |
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July 8th, 2010, 13:50
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#9 |
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yes because the sear is tripped and won't hook on the hammer...
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July 8th, 2010, 13:57
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#10 |
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is that an SD grip?
some people have had issues with the grip. I have one myself and have had similar problems, also had an issue that it would only fire every other trigger pull, or every shot you would have to manually cock back the hammer just 1mm more I swapped this grip to 4 different frames, it wasn't until I put it on my Prog4 midframe that the grip worked hassle free from the get go, it also fixed my mysterious advanced trigger stirrup problem try swapping everything back in the stock grip and see if it works problem free I rebuilt 3 of my pistols over and over and over swapping out the grips,leaf spring...also is it a stock leafsping..I have a lightwieght one that seems only to work for 1 of my pistols It also seemed to me that the SD grip squeezes itself together when you screw it into the midframe which then causes resistance against the trigger stirrup causing trigger problems
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July 8th, 2010, 14:13
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#11 |
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ok i think i fixed it.. i bend the 3rd prong slightly forward and its working now
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July 9th, 2010, 02:13
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#12 | |
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a.k.a. Palucol
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Quote:
SD grips are shit...lol... for the fitting reasons... but they look nice on a build... PS: May I add...I also had Gas efficiency/consumption/spewing problems with the stock TM loading nozzle+ SD grip... because the mag was sitting too low because of the grip... Anyways back on topic.... The SD grip is really tight around the Trigger area... just file it until the trigger can slide in and out without resistance.....
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July 9th, 2010, 02:24
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#13 | |
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Quote:
Glad you figured that one out. |
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July 9th, 2010, 23:43
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#14 |
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So Ive been tinkering with my gun for the past few hours and Strike Freedom has been kind enough to assist me with my problem. So when I assemble the gun together without the slide in place, the hammer cocks fine and thrusts forward when the trigger is pulled. Everything is all good!
However, when I use the slide to cock the hammer, I can only pull the trigger slightly, since the disconnector isn't rising- its stuck. It seems like the disconnector is being pushed down too much and the only way to make it work again, is if I get a flat screw driver and push up the disconnector back up so that it engages the sear. I also checked the BBU to see if the slot on the rail aligns with the tip of the disconnector, and it appears to be okay. If I manually cock the hammer, it will thrust forward when the trigger is pulled. When the slide is used to cock the hammer, the disconnector will just get stuck and I need to push it up with a flathead screw driver... Here is a clip of the problem:  Pictures behind the beavertail when the hammer is cocked with the slide. Notice how the disconnector is so low that the tab does not engage the sear:   
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July 9th, 2010, 23:56
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#15 |
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I am still proceeding under the assumption that you're using an SD grip.
There is a lot of space between your frame and grip. I bet that if after racking it with the slide on, all you'd have to do would be to manually cock the hammer down just a fraction and it would fire. More than likely if you fully assembled your pistol and loaded it it would fire after initial racking and have some uniqe firing issue after that
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