Knowledge is power! Thanks all for sharing yours! I bought this pistol when I was in my teens. So far I've gone through a dozen cartridges in just under two weeks and there is no sign of any leak yet! Well worth the time and effort! The next day I went through two Crosman CO2 cartridges and a lot of BBs. The rightside hand grip screw also needed a twist of fine wire on its threads to tighten it up a bit better. I reinstalled the retaining nut with Loctite Thread Locker Blue 242.īased on a comment here or elsewhere, I let the gun sit overnight. I removed and cleaned the piecing needle retaining nut, but I did not remove the needle. I soaked and cleaned all the parts and seals in Ronson lighter fluid and replaced the brittle outer nylon(?) valve seal with a #7 rubber O-ring tightened down as far as it would go. Thanks Nick for the excellent breakdown photos! I had my pistol broken down in no time at all. Short and sweet this blog and comments helped me bring my Daisy 200 back to life. It's really fun reliving life as it was 40 years ago much to the chagrin of the local cats.Byron Now I can pick a cat off the fence with no problem. I got a o-ring kit from 'Harbor Freight' that had a perfect size that works just great, and seals perfectly. Now the trick is to get a o-ring that fits (being streched a little bit) in the recess you just polished. Now polish it as best as possible with fine steel wool. This plug assy is steel, so don't worry about gouging or scratching it with only hand pressure. The seal, what was left of it, has to be removed, either by pocket knife, very small screw driver, of any like instrument (mine was brittle and flaked off). Holding the cast assembly very gently in a padded vice, or a large friend with padded pliers, grab the 'smooth' shoulder with a small pair of 'vice-grips' (you don't want to slip here) unscrew the plug. Now to solve the major leak around the rear screw-in plug which houses all the valving, it has to be removed with a little psychical force. I've taken and replaced the old style piercing pin with a 1200 pin, and installed it with 'red' locktite, which solved that problem. Finally got mine swending BB's down range just fine with a little TLC. Just stumbled across the posting on the Daisy 200. Now the gun holds air and I'm very pleased! Its an awesome pistol, quite powerful and extremely accurate! The trigger pull is extremely light, and the semi-auto no cocking design is really sweet! I got about 170 rounds through it on one C02 cartridge and half of those came after the gun sat for about 7 hours! (I went to school!)Īnyway, I just wanted to share this because its so easy to do, and I know there are lots of people who have these guns that leak! (They're known leakers) I have 5 different CO2 pistols, and this 40 year old design is now my favorite one because of its power, ease of use, and accuracy! It still leaked slightly from the threaded portion, but after tightening the threaded "valve retainer" another 1/2 turn, it stopped! I hadn't tightened it enough. When I put it back together, I attached the lower portion of the gun and installed a C02 Cartridge. It looked dry, kinda cracked, and hard, so I lubed it up with silicon grease, and then wrapped some Teflon tape around the threads in front of that seal, making sure not to let any tape hang over and interfere with the internal workings of the valve. Most of the seals inside of the gun are made from hard plastics like nylon that really wouldn't wear out easily or harden and crack, testament to the to "no o-ring" design, so I wasn't quite sure why it leaked.Īnyway, I lubed the "seals" up good with some lightweight silicon based grease, and then as I was re-assembling, my eye caught that "0-ring" like seal around the threaded portion of the valve that you twist into the body of the gun (with pliers) to hold all the valve parts inside. I disassembled it as far as I could, then found your instructions and used then to disassemble the valve. It would de-pressurize in about 30 seconds. It has been stored away for at least 20-25 years, and when I got it, the gun leaked like crazy as soon as I punctured a fresh CO2 cartridge. Hey, I have a Daisy CO2 200 Pistol that was my dads when he was a kid.Īfter his father (my grandfather) recently passed away, we found the pistol in some of his stuff.
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