we L85 not cycling

KindT · November 30th, 2013, 15:27

Ok. So I have check all of the above issues and still nothing...
Springs seem to be in the correct position (I don't have a working one to compare it to)
The roller is working nicely.

One thing I did notice is that I can put a mag in the lower receiver, and fire it with only a quick pft. I expected it to vent the hole mag. I re-disassembled the trigger group and the spring that pushes the hammer forward appears to be ok and not bent or broken.

kullwarrior · November 30th, 2013, 17:09

What about firing pin? Specifically the part that push the release valve? I know WE uses craptastic material which can wear off -this may result in non-fully depression of the release valve (firing pin lever). I've personally seen this happen with RA-Tech steel firing pin (they sell a replacement firing pin 'lever'

Thenooblord · November 30th, 2013, 17:27

as you cock the hammer does the firing pin stay forward in the magwell and then snap back? or does it go backwards immediatley as you draw back the hammer? sounds like a broke delayer/locker to me

KindT · November 30th, 2013, 20:28

firing pin was replaced with a new one, still no change.

As I cock it there is a delay before the firing pin retracts. (the delayer is not broken I just replaced the broken one)

MaybeStopCalling · December 1st, 2013, 04:38

Sounds like the issue I had trying to fit my CNC'd lower to my trigger pack on an AR-15 type GBBR. The pin was too long as the lower was extremely tight, and it was getting caught above the valve pin instead of behind it, even retracted. Essentially I would get vents, or light strikes. I had to solve it by slowly filing down the firing pin until it wouldn't bind on the valve pin, but behind it as it should.

Heerven · December 2nd, 2013, 00:30

I had a similar problem with my WE G36K. I checked every where until my gun doc noticed my barrell was woobly a bit. I ve got to thighten it back, and it went back to normal.
I hope that could help. we never know

Kos-Mos · December 2nd, 2013, 08:33

Quote:

Originally Posted by KindT

Ok. So I have check all of the above issues and still nothing...
Springs seem to be in the correct position (I don't have a working one to compare it to)
The roller is working nicely.

One thing I did notice is that I can put a mag in the lower receiver, and fire it with only a quick pft. I expected it to vent the hole mag. I re-disassembled the trigger group and the spring that pushes the hammer forward appears to be ok and not bent or broken.

That sounds like a knocker pin or carrier indeed.
Also source and try new hammer springs. I had to swap mine after a year or so, I was getting light strikes.
As mentioned, check for a worn or cracked striker lock/disconnector. It's the silver part that always fall out when you remove the trigger pack from the receiver

Rob101 · December 3rd, 2013, 13:53

I had repaired my friends l85 with a cycling issue, which is one reason I personally dislike the weapon. Anyho I had stripped the bolt carrier and assembly right down and used engine cleaner on the rods to clean any deposits. I also did the same to the bolt I applied it with a q tip. I had reapplied some clp to the bolt and rods oh and I also added some o rings where the bolt hits at the rear plate where the rods connect to act as a cushion instead of being metal on metal. I hope it makes sense and helps you out.

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November 30th, 2013, 17:09	#17
kullwarrior Trader rating Join Date: Jan 2008 Location: Edmonton, AB, Canada	What about firing pin? Specifically the part that push the release valve? I know WE uses craptastic material which can wear off -this may result in non-fully depression of the release valve (firing pin lever). I've personally seen this happen with RA-Tech steel firing pin (they sell a replacement firing pin 'lever' __________________

December 2nd, 2013, 00:30	#21
Heerven Trader rating Join Date: Nov 2009 Location: Montréal	I had a similar problem with my WE G36K. I checked every where until my gun doc noticed my barrell was woobly a bit. I ve got to thighten it back, and it went back to normal. I hope that could help. we never know __________________ We will find a way.

November 30th, 2013, 15:27	#16
KindT Trader rating Join Date: Aug 2012 Location: Edmonton	Ok. So I have check all of the above issues and still nothing... Springs seem to be in the correct position (I don't have a working one to compare it to) The roller is working nicely. One thing I did notice is that I can put a mag in the lower receiver, and fire it with only a quick pft. I expected it to vent the hole mag. I re-disassembled the trigger group and the spring that pushes the hammer forward appears to be ok and not bent or broken.

November 30th, 2013, 20:28	#19
KindT Trader rating Join Date: Aug 2012 Location: Edmonton	firing pin was replaced with a new one, still no change. As I cock it there is a delay before the firing pin retracts. (the delayer is not broken I just replaced the broken one)

December 1st, 2013, 04:38	#20
MaybeStopCalling Green Synergy Trader rating Join Date: May 2009	Sounds like the issue I had trying to fit my CNC'd lower to my trigger pack on an AR-15 type GBBR. The pin was too long as the lower was extremely tight, and it was getting caught above the valve pin instead of behind it, even retracted. Essentially I would get vents, or light strikes. I had to solve it by slowly filing down the firing pin until it wouldn't bind on the valve pin, but behind it as it should.

December 3rd, 2013, 13:53	#23
Rob101 Trader rating Join Date: Dec 2011 Location: Ontario	I had repaired my friends l85 with a cycling issue, which is one reason I personally dislike the weapon. Anyho I had stripped the bolt carrier and assembly right down and used engine cleaner on the rods to clean any deposits. I also did the same to the bolt I applied it with a q tip. I had reapplied some clp to the bolt and rods oh and I also added some o rings where the bolt hits at the rear plate where the rods connect to act as a cushion instead of being metal on metal. I hope it makes sense and helps you out.

we L85 not cycling

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