Sunday, November 2, 2008

Disassembling a Slavia ZVP

Ok, not a complete disassembly as the spring was out of the pistol when I received it. Bought cheap on Ebay, for some reason it made it past the censors. Here's a good (in german) page about them.

I hope that is in fact the correct spring.

Unscrewed the end cap and the spring guide is in two pieces, which is probably not how it's supposed to be...

There should be a slotted nut here.

I removed the two side screws and the trigger screw.

The action.

I did not lose the spring...

Pivot lock screw and pivot pin removed.

Drifted out the trigger pin.

Then the trigger guard pin.

And the sear pin.

The piston had to be back in order to take the cocking arm out of the slot.

The piston head has nails embedded in it.

Who the heck puts those nails in there? The nail gnomes?

The piston seal looks chewed up once the nails were removed.

No problem, I'll make replacements...

Now it's just some cleaning and making a few parts...like the missing sights.

11 comments:

Anonymous said...

Nick,

What kind of 10 shot groups do you get with finish nails anyway?

DK

Nick Carter said...

One ragged hole...

Anonymous said...

were they using nails for ammo?

Nick Carter said...

That's one theory...the other is that someone was making a maintenance job for themselves down the line, or sabotage! But no one really knows.

Anonymous said...

Could have been trying to limit the power of the piston stroke by not letting it travel fully... I just broke down my ZVP. I used rust erasers and a dremel to mirror polish all surfaces. Especially the sear... It is truly a nice piece now!

Anonymous said...

Nice thread Nick I,v just bought one of these fine old pistols for a re-build thanks cheers Paul

Anonymous said...

I just dismantled mine now for the first time ever, and I also found a nail in the piston. Mine has serialnumber 00592, so a pretty early one, hopefully ruling out disgruntled workers/sabotage. Might be that they were put in there intentionally, although I have trouble imagening why? One idea is that it is a form of simple warning system to get you to change your seal. When you hear a metallic sound when firing it means that the seal is worn down...

Nick Carter said...

What's interesting is that I've never come across anyone claiming to have put nails in one. I've heard various theories such as yours or that the nails cause teh seal to expand, etc. But no one has ever said "yes, I put nails in it, here's why."

Anonymous said...

A friend of mine just came up with another theory. It could be that someone has tried to fire a nail with it, and then the nail slid back from the barrel to the pistonchamber. At least it sounds like "guyish" thing to try to shoot nails with it. Could be one of those one in a million things that two guns made years apart should both have gotten a nail in the system this way...
BTW, do you have any opinion on replacing the seal with one made og machined nylon?

Nick Carter said...

It's really common in old springers, whatever the reason...

As for making a new seal? Why not? Can't hurt to try.

Anonymous said...

I use to shoot finishing nails out of my old springer.