Hw99s graunch fix

[yorkiets]

Am I correct in thinking that the solution to a graunching 99 is to put a bit of delrin in the u channel at the back of the cocking link to act as a stand-off?

Anyone got a pic of a sorted one that they don’t mind showing?

[tinbum]

If only it were that simple! Try a delrin strip, if it already has one, remove the spring from under it. With the mainspring removed, work the barrel back and forth listening and feeling for rough/tight spots and deal with them as you find them. File the cocking ears smooth and deburr the cocking slot. Fire 50 shots in quick succession and start again.

[yorkiets]

If only it were that simple! Try a delrin strip, if it already has one, remove the spring from under it. With the mainspring removed, work the barrel back and forth listening and feeling for rough/tight spots and deal with them as you find them. File the cocking ears smooth and deburr the cocking slot. Fire 50 shots in quick succession and start again.

Cheers Nick.

I’ll have a play.

[rg627]

Hi

I have the model that came with a plastic strip from the factory and it still graunched. Someone on here gave good advice about removing the little spring as tinbum says but also enlarging the pivot hole.

It worked for me on the whole, however from time to time the graunching still comes back. It stays for a few shots then goes again. I'd say it's got rid of it about 95pc of the time. I am coming completely baffled and have learnt to live with it. I don't know a single 99 owner who hasn't encountered the problem. Mine is certainly leaps and bounds better than standard but not quite perfect.

You can buy the cocking arms with plastic in online but you may still be slightly disappointed.

If I had the tools, I'd be tempted to make a delrin guide as you say.

Let me know if it works

[tinbum]

Hi

I have the model that came with a plastic strip from the factory and it still graunched. Someone on here gave good advice about removing the little spring as tinbum says but also enlarging the pivot hole.

It worked for me on the whole, however from time to time the graunching still comes back. It stays for a few shots then goes again. I'd say it's got rid of it about 95pc of the time. I am coming completely baffled and have learnt to live with it. I don't know a single 99 owner who hasn't encountered the problem. Mine is certainly leaps and bounds better than standard but not quite perfect.

Fear not! Weihrauch make a springer that doesn't destroy itself for a hobby. It's called the HW95, it's a few pounds more than the 99 but it works.

Properly.

Without self-destructing every 50 shots!

[Mole trapper]

Fear not! Weihrauch make a springer that doesn't destroy itself for a hobby. It's called the HW95, it's a few pounds more than the 99 but it works.

Properly.

Without self-destructing every 50 shots!

Yeah, but what's the fun in that.

[PCPShooter]

Fear not! Weihrauch make a springer that doesn't destroy itself for a hobby. It's called the HW95, it's a few pounds more than the 99 but it works.

Properly.

Without self-destructing every 50 shots!

Great Post !