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. Al of their guns are Metric and the Daisy is definitely Imperial.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. Great bunch of guys! Nest week, I plan to talk with Umarex about this. I have corresponded with several engineers and repairman at Umarex on various projects I've done recently and they have been VERY helpful.to the point where they have just sent me the parts "on the house". I haven't found a co2 gun yet I couldn't tether to a 20oz Co2 Paintball bottle. Great design! Tethering the gun was my simplest solution to this one. Umarex style of piercing cup used on almost all of their current co2 guns. The pin MUST seat into a urethane cup which seals the entire head of the newer powerlets.ie. The newer carts simply will not seal on just a Piercing pin alone. The 1200 did seem to be the only solution. Thanks for the reply, Cobalt! I read all these these links several times back in Dec 2018 when I pulled my old 1968 model out of the closet. Brings back a lot of great memories! Dave I haven't shot one of these in over 50 years. Trigger moves the sear Sear moves the piston valve in the gas chamber.and. Really burn them up) However, I did have to replace the rear o ring in the valve chamber. This is the 6th gun I've rigged this way( I hate using those little Co2 cartridges and the full-auto guns I eliminated the piercing pin and rigged the gun to work tethered to a 20 oz paintball tank. Well, last Saturday I dove into it again and Monday I finished the project with great results. They used a piercing pin to do all of the sealing which seems to not work on the more modern carts. The main problem was getting the cart to seal. No Bueno! I even bought another one off of eBay with the same results. Last December I pulled the gun out of my closet and worked on it for 4 days and wasted about 10 cartridges trying to fix it. I did post on the "Darkside" yesterday, which was probably the wrong forum.
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