My FX Crown doesn't cock ....sometimes

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aldea6

aldea6

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Jan 8, 2018
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Br, Belgium
Hi , when shooting my FX Crown ( 1st generation ) , it happens from timt to time , let's say every 8-10 shot , that the gun doesn't cock anymore. After a shot the cocking lever get strucked half-way , so I can't pull it fully backwards to cock the gun . This happens when shooting with a magazine or a single shot tray , pellets or slugs . I have to hold the cocking lever , press the trigger and it's ok ....until the next time ! I suppose it comes from the trigger system but I don't see clearly what's going on . I've never adjusted the trigger , it's factory set.
If anybody had an idea before touching the trigger mechanism....welcome.

Thanks
 
aldea6 said:
Hi , when shooting my FX Crown ( 1st generation ) , it happens from timt to time , let's say every 8-10 shot , that the gun doesn't cock anymore. After a shot the cocking lever get strucked half-way , so I can't pull it fully backwards to cock the gun . This happens when shooting with a magazine or a single shot tray , pellets or slugs . I have to hold the cocking lever , press the trigger and it's ok ....until the next time ! I suppose it comes from the trigger system but I don't see clearly what's going on . I've never adjusted the trigger , it's factory set.
If anybody had an idea before touching the trigger mechanism....welcome.

Thanks
Click to expand...
I’m chasing the same problem on my mk2 Crown. The sear is catching on something halfway through the stroke. If I lightly pull the trigger, I can complete the cocking cycle. I have a new first stage trigger spring coming tomorrow, which may or may not help.
 
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No, the hammer spring is fine. I’m going to replace the first stage trigger spring, and if that doesn’t help, I’ll call FX support and see if they can offer any guidance. The reason I’m replacing that spring is that I may have shortened it at one point, and that’s the only thing that makes sense to me. I will check back in with my findings.
 
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Scotty1 said:
No, the hammer spring is fine. I’m going to replace the first stage trigger spring, and if that doesn’t help, I’ll call FX support and see if they can offer any guidance. The reason I’m replacing that spring is that I may have shortened it at one point, and that’s the only thing that makes sense to me. I will check back in with my findings.
Click to expand...
Doubt that has anything to do with sear engagement.

Couple things that can physically impede your hammer from sliding all the way back to engage sear.
Hammer spring…either too tight or broken.

Something shifting on the cocking mechanism…usually more related to linkage system in bullpups.

Damage to the actual sear…usually from firing with the bolt open, or without air.
What happens is the hammer slaps back on the sear…if you do it often about, it will tear out the sear.

Lastly…trigger can be improperly set so it can’t engage the sear. Pretty easy on an FX…considering your saying “sometimes” my guess is it’s either this or damaged sear
 
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It’s all fresh and polished in my case. I’ll have it back apart probably Friday, so I’ll know more. I can’t figure what it’s catching on either, there are no obvious marks on anything. It feels like the sear is not riding up over the hammer correctly, which makes me thing the first stage spring is not pushing the back of the sear enough to pick the front up to clear the hammer. Dunno, but more will be revealed…
 
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Mine got a tiny piece of the spring wedged in between the hammer spring housing and it's OK now after removing it and polishing the end of the spring where it broke off
IMG_4832.JPG
Screen Shot 2022-11-27 at 3.12.38 PM.jpg
 
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It is a known problem - that happens more often if you are closed to maxed out hammer spring but can happen anyway.
Just re-adjust the trigger and the problem is gone. It happens occasionally on my FX Crown gen. 1.
But re-adjusting the trigger makes it good for the +25 next tins.
When you take the trigger apart I use molycote powder to lubricate everything.
Then you are shooting again for a long time.
I never had a damaged spring like Goldwing - And I am using the harder Huma Tuning spring.
Normally an easy fix - and dig into it - you will experience more problems like Safety is unsafe and more.
There are many Youtube videos to get you going.

Nb. I polished the spring, hammer and spring guide and greased all moving parts with slight bit of molycote powder.
I also adjusted my Crown trigger to be a single stage trigger, just as light as my electronic Redwolf trigger.
The crown trigger became annoying when I got my Redwolf - Then all other triggers were crap.

Good luck ;-)
 
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engfred said:
It is a known problem - that happens more often if you are closed to maxed out hammer spring but can happen anyway.
Just re-adjust the trigger and the problem is gone. It happens occasionally on my FX Crown gen. 1.
But re-adjusting the trigger makes it good for the +25 next tins.
When you take the trigger apart I use molycote powder to lubricate everything.
Then you are shooting again for a long time.
I never had a damaged spring like Goldwing - And I am using the harder Huma Tuning spring.
Normally an easy fix - and dig into it - you will experience more problems like Safety is unsafe and more.
There are many Youtube videos to get you going.

Nb. I polished spring hammer and guide greased with slight bit of molycote powder.
I also adjusted my Crown trigger to a 1 stage trigger, just as light as my electronic Redwolf trigger.
When I got my Redwolf - all other triggers were crap.


Good luck ;-)
Click to expand...
Thanks engfred 👍
 
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Just want to add my 2 cents..

I own an Impact MK3 and understand they likely are different, however, a few months back I did lots of experimenting with swapping the huma hammer weights and springs, and adding spacers for more preload.

When there is too much preload you won't be able to cock the gun at high hammer levels or possibly at all. When you are on the limit of maximum hammer load you may find it cocks occasionally, though not always. A longer spring, added washers, or larger head on the hammer weight all push you towards that limit where it won't cock.

I reached out to Ernest Rowe and he was the one who was able to help me get this resolved.

Hope this may help you guys as I see some mention using the huma springs, though am not familiar if these are longer than stock hammer springs or even if this is truly the issue preventing you from cooking the gun fully. My suggestion, if you made changes that increased preload, start with going back to stock or try reducing your hammer settings if possible. Otherwise contact FX or perhaps Ernest.
 
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engfred said:
It is a known problem - that happens more often if you are closed to maxed out hammer spring but can happen anyway.
Just re-adjust the trigger and the problem is gone. It happens occasionally on my FX Crown gen. 1.
But re-adjusting the trigger makes it good for the +25 next tins.
When you take the trigger apart I use molycote powder to lubricate everything.
Then you are shooting again for a long time.
I never had a damaged spring like Goldwing - And I am using the harder Huma Tuning spring.
Normally an easy fix - and dig into it - you will experience more problems like Safety is unsafe and more.
There are many Youtube videos to get you going.

Nb. I polished the spring, hammer and spring guide and greased all moving parts with slight bit of molycote powder.
I also adjusted my Crown trigger to be a single stage trigger, just as light as my electronic Redwolf trigger.
The crown trigger became annoying when I got my Redwolf - Then all other triggers were crap.

Good luck ;-)
Click to expand...
What molykote powder would you suggest buying in small amounts?
 
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