Back in September some friends came over to shoot airguns with their kids. The Slavia 618 (pt.1, pt.2) is a great size for a child but a few pellets into being shot it just refused to work. So I put it on the rework pile. I finally had a chance to take it apart. I expected there was a problem with the home made seal, but what I found was another issue.
The guts.
I think I can chalk this up to inexperience on my part. I clearly was a little heavy handed with the lube. The piston was gummed up in the cylinder and there was altogether too much heavy airgun grease.
I also decided it would be a good idea to smooth the piston where it makes contact with the bore.
Polished up on the beartex wheel.
I used moly sparingly on the contact surfaces and seal.
Derrick’s favorite, Slick Honey, is perfect for low power airguns. I put a thin smear on most of the other surfaces.
I was able to find my fancy spring end block insertion tool. Not bad considering I last worked on this in 2008.
Just a twist to get it to catch.
I replaced the heavy, slightly too large trigger spring with a much lighter spring. Not sure if it make a difference.
Back together and it’s back to a functioning state. I’ll probably find that most of the first airguns I worked on have too much lube…live and learn.
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