Air rifle leather piston seals oil Jan 1, 2017 · Silicone oil was the lube of choice in the 1960s and 70s in guns with leather washer piston seals, as it would saturate the leather like petroleum oils, but not burn. Dec 7, 2007 · Step 7. On higher powered / magnum spring piston air rifles, they will typically "Diesel" for a while when new. What kind if velocity did Tom get out of the 45 he tested. 0 Reply Report 0 When piston guns were made with leather piston seals the shooter would put a couple drops of "compression chamber oil" down the transfer port to keep the leather seal in good condition. Oct 10, 2008 · Then, it needs to be oiled. and many guns running happy on such for eons. Yes you can leave the old leather seal in just clean it up a bit an put some silcone oil on it. Please de-burr your cocking slot, trigger cut out and cross pin hole Feb 7, 2012 · Serkan. I do believe there are adapters to mount a synthetic seal if you feel the need to go that direction. Dec 29, 2022 · Well sir, I would say this, Neatsfoot oil for the seal lubricant/ conditioner. it’s time to oil the seal with silicone regardless of what it is made of. The round holes are for the cross-pin seen in the last photo. On the other hand, overlubing a synthetic seal can start the gun detonating. I would, once seal is mounted & soaked overnight, towel off excess & insert piston backwards into compression tube until seal is just flush , & let sit for a day or so; This will allow it to conform precisely to the tube, a light sanding may be required after the fact. Hence the air rifle is grounded. This is similar to the effect that the same model springer is smoother as caliber increases. ,) on the seals of these guns. This is a guest blog, written by a Russian reader of this blog. The compression stroke is where combustion occurs for both gas and diesel engines. What should I use? I have 30W and ATF at home. Mar 23, 2005 · The oil runs down the barrel, through the air transfer port and into the compression chamber, where it soaks into the leather seal. I want to change the stock from varnish to oil finish, and slim the grip just a little bit. Smear a couple of drops of SM50 around the base of the leather washer (away from its face). Other maintenance Oiling the piston seal is the biggest maintenance step with this rifle. Certainly not within 5 years anyway…. Apr 24, 2023 · But a gun from 1976 likely was indeed an ARH (Air Rifle Headquarters) import with a leather piston seal. Lube the piston seal with silicone, but Nov 13, 2023 · Only used the neatsfoot oil on the breech seal to soften and expand the breech seal as its leather, I don’t use neatsfoot oil for any lubrication. D. Crosman is a trusted name when it comes to gun maintenance, so you can be sure that this oil is of good quality. then soak it in oil again for another 20 minutes Slavia piston seals are very tough and I have always had luck reviving them using this method. Jul 10, 2022 · I recently posted about a gifted Webley Junior and it needed a new leather piston seal. I have watched countless videos and read blog and they all seam to say something different. Mar 28, 2024 · Cleaned that out and now all back together. It is currently being treated with neatsfoot oil and beginning to soften. Maybe it was a replacement. G. Jul 14, 2017 · Best oil Hi car engine Mineral oil 5w30 or 10w40 ,NOT SEMI OR FULL SYNTHETIC. Description GAMO DIANA 25MM AIR RIFLE LEATHER SEAL ADAPTOR SEAL IS 25. From what I have learned, you have to look at yours to be sure, because owners can replace the leather with synthetic. 894 or 3/4", and . I put that in quotes because that's how it's been referred to in all the links I've been able to find on the RWS/Diana 45. Once the velocity of a . Pelletier Part 1 This report covers: Importance of round air chambers My best advice Out of round pistons The deal Plain seals Leather piston seal assemblies Parachute seals The PTFE seal Last subject — seal materials Piston rings Summary Today we will continue our discussion of the piston seal. Seals are CNC machined from quality materials here in Australia. Having watched The Repair Shop, I know that old leather can be pretty much Sep 23, 2024 · In my opinion and experience, oil shouldn't be used to lube the compression chamber / piston / piston seal of a springer. I believe Pyramid Air recommended using a Beeman GS 100/950 seal BNP -127 for about $10. Nov 7, 2008 · Drop 5-10 drops of oil down the air transfer port and allow it time to soak into the leather. As long as the leather is kept pliant with oil, this kind of seal works very well. My gun doesn’t have an oil hole on the outside like the more modern ones do. Upgrade your Air Arms spring rifle with this long-lasting and highly effective piston seal for enhanced shooting experience. Be sure to soak it in oil when you have it out. Do you chaps usually replace with the same type, or do you use the cupped leather seal? I made a flat seal and soaked it in neatsfoot then engine oil. It was a sod to get past the treads in the cylinder. So my question is, is there a decent alternative? Aug 6, 2020 · You want to avoid this because the gun solvents used on firearms will most likely be way too harsh for the O-rings and other plastic and poly components of your air gun causing premature leaks and outright failure. Take it out of the oil and soak in warm water for 20 minutes 3. Part of it was Neatsfoot oil, and iirc, the other ingredient was silicone, but I can't recall the proportions. What I told you above is my own advice. M. 00 US $0. It has been used since the 18th century and is made from the shin bones Sep 29, 2025 · Oiling the piston seal is the biggest maintenance step with this rifle, and you can also oil all the hinge points of the cocking linkage with household oil or good gun oil. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Nov 1, 2020 · JG airguns has a piston head that seems to show a cupped leather seal like that but with a leather inner washer? Your opinion, and if going leather what do you recommend to lube the leather, neatsfoot oil or silicone oil Jun 19, 2022 · ASSEMBLY 1. 99 Jan 18, 2016 · If you oil it that way or soak the seal in oil before a rebuild, it's going to blow oil for awhile like most new guns. Description WEIHRAUCH 26MM AIR RIFLE PISTON SEAL NEW SEAL DESIGN HAS A PARACHUTE FRONT FACE FOR MORE CONSISTENT POWER CONVERTS LEATHER SCREW INTO A STANDARD WEIHRAUCH 26MM SEAL I SELL A NORICA SPECIFIC SEAL THIS IS A BETTER OPTION FOR THE NORICA A SYNTHETIC SEAL WILL IMPROVE THE SHOT CYCLE, A WORN OUT LEATHER SEAL CAN DAMAGE THE CYLINDER BORE CHECK YOUR CYLINDER FOR DAMAGE YOUR EXISTING SCREW Sep 12, 2018 · First, it will not damage the silicone seal material when applied. Some people would say to open the breech and oil Hey guys; I just got a brand new leather seal for my 100+ year old BSA light pattern air rifle. Jul 12, 2022 · Fit the new seal to the piston with all the special washers and stuff after soaking in your choice of oil. Many of the older pump airguns had a felt or sponge oil wiper on the pump piston rod. Find the date on the rear left side near the pins. So when applying the Superlube it should be dry wiped off as much possible. It is too volatile and too transient to do the job well. The B-3/B-4 piston seal is a cup shaped silicone/rubber like material that is made for these models. the 30 or 40 is the viscosity (thickness) so 30 is thinner than 40, 5w is the winter temperature degree. May have to tweak/bend the barrel, but hard to tell for now. What’s the best way of cleaning it without affecting the leather? Thanks Peddy May 12, 2022 · An old gunsmith once posted on a forum that he used Lard to lubricate leather piston seals. Remove the seal and soak it in oil If you’re going to use the seal right away, soak it in petroleum oil for about 24 hours. All seals are made from quality materials, which are far superior to the material commonly used in low-cost OEM seals What's all the fuss about this middle-of-the-road air rifle? Let's find out together. At this point, the new seals look quite rough – even after trimming! Whereas the old seals look square and smooth. + Seal I took out of HW 55S no. 20" spring thickness. 0 new watchers per day, 1,411 days for sale on eBay. Not dieseling — most spring guns diesel. Sep 8, 2025 · Today we talk about something several of you have asked about in recent weeks—how to make a leather piston seal. 140388 (Burgo label, 1963) years ago. Even after visible oil mist or smoking has subsided, there's plenty of dieseling effect going on, for a really long time. He installed new mainsprings but both rifles were still shooting under spec, just under 500fps. CO2 Cylinders Collectables Mounts Nov 4, 2023 · I took the rifle apart and had a look at the piston and leather seal, both looked fine except the seal retainer screw was protruding a little over the surface of the seal. If it’s newer then it already has more oil in it than it needs. 177 spring-piston rifle gets up over 800 f. Parts Tools Gift Certificates Buglespanner see Will Knives JG Airguns Accessories, Cleaning Supplies Airguns Ammo, Collectable Ammo, Shootable Books, Catalogs, Manuals, etc. Usually, this rejuvenates the gun. I removed the shot tube and oiled the gun with 10 drops of oil down the muzzle. Jan 10, 2025 · A bit of a google suggests that best practice is to soak the seal in neatsfoot oil, but I'd rather not pay a tenner for a litre of the stuff to use it for one seal in one gun that may not even be worth keeping after I've done my best with it. Sep 22, 2020 · The gun lost only 10fps with the leather seal believe it or not. With a thousand shots you should be able to get a perceptible difference in sound. The 585 may be right about where it should be shooting. Blued or painted? Here is a real toughie. Mar 23, 2018 · The older B3s often have leather piston seals, but as the years passed the Chinese started putting synthetic piston seals in them. Custom made piston and breech seals to suit any application Oct 24, 2018 · by Tom Gaylord Writing as B. ) Archer Airguns specializes in seal kits for many popular airguns, including the Benjamin Marauder, Armada and Discovery, Crosman Challenger, 1377, 2240, 397, Beeman QB78 and QB79. Is it a parachute seal? BB doesn’t know. (I'd a just said Grand Pa but, after looking in the mirror, guess I've skipped a generation. Most owners create scratches and gouges on the piston securement dovetail-button. If it has a leather piston seal, I'd recommend keeping the seal. Specially Formulated Leather Washer Oil. The extra harshness felt over the leather seal gun is the piston bouncing off an air pocket that can't get pushed through the smaller transfer port fast enough. 99 CAS62 FWB300BS Feinwerkbau 300/S Target Rifle Breech Seal $25. 99 CAS56 WEIHRAUCH ECO 26MM AIR RIFLE PISTON SEAL Sold Out $33. The piston seal is 1" leather by 1/4" thick. Jan 12, 2025 · These were older models from the 60's and originally had leather piston seals, but both had been previously converted to synthetic seals. The synthetic seals probably don't need lube, at least not like the leather ones of old. And it doesn’t hurt to oil the mainspring with the same gun oil. Jun 5, 2016 · Just for clarification, do you really mean a leather breech seal or are you making a leather piston seal? Breech seal. This method produces seals with rounded bottoms. Dec 11, 2024 · As the title says - trying to bring this classic 10 m air rifle from 1968 back to life. I lubricated the compression chamber with moly grease (Beeman M-2-M), soaked the leather piston seal in petroleum oil and put the gun together. Popped in a new spring of reasonable dimensions and it's spitting out 7gr RWS wadcutters at 630fps. Our 2X Seal Kits include two sets of the main seals and O rings. Ok, did you oil the leather seal good, so it was supple and very pliable before you reassembled the gun. Here is his testing of power and velocities. of the leather with some 220 grit paper to allow it to re-seat itself. 99 CAS31 HATSAN 95 125 135 WALTHER WEBLEY BREECH SEAL $15. When installing on the piston, turn the seal several times to set it on the piston before putting in the gun. FREE SHIPPING if included in an order of more than $100 (Click for details)u2028 Secure, encrypted online orderingu2028 Debit and Credit cards accepted - VISA, MasterCard and Discoveru2028 PayPal acceptedu2028 In stock - or Cart will tell you so (errors excepted)u2028 Shipping confirmation and tracking with all Jun 10, 2006 · Before buying a new leather piston seal do this with your old one. you gain about 3-5 percent more power with a synthetic seal. On a leather seal it might not do too much and will eventually burn off. If it has 13mm scope grooves, that's very likely one of the ARH special peeps. That’s not to say ALL silicone oils are poor metal lubricants. Through the process of modifying and tuning my spring piston air rifles, I have found the following products to serve exceptionally well as lubricants. You first need to chuck out the old leather seal in your gun, which will be too oil loaded, rotting and possibly over expanded. Quick view cas2 airarms tx200 breech seal $2. 5mm DIAMETER ACROSS THE SEALING EDGE OR JUST OVER I INCH FROM 25MM LEATHER SEAL TO 25MM SYNTHETIC WEIHRAUCH SEAL PARACHUTE DESIGN FOR RELIABLE LONG LASTING SEAL AND EASIER FITTING SHOWN IN THE SECOND PHOTO IS A WORN OUT GAMO 300 LEATHER SEAL WEIHRAUCH HW30 HW50 HW55 With a leather seal GAMO 300, 361, 400, 45-s-61, 600c, 68 Apr 13, 2009 · No air is trapped at the shot-both seals are slammed into the end of the cylinder. Jan 16, 2018 · If it was mine I'd keep the leather seal and apply some silicone oil and/or Neatsfoot oil without removing the seal from the piston, let it soak in and see how it shoots when put back together. CAS1 9074 Piston Seal for Hw45 Sold Out $29. 00 GAMO 25MM LEATHER SEAL ADAPTOR DIANA WEIHRAUCH AIR RIFLE PELLET GUN WASHER . Over long periods, mineral oil causes some leathers to separate into layers and fall apart. But the leathers last a long time. Instead of just a seal, this is an assembly of parts that comprises a leather piston seal. The leather piston seal apart from thick with grease is ok. V and G. A modern synthetic seal is self-lubricating, which really means that the seal material has a very low coefficient of friction. Nov 26, 2016 · This gun does have a leather seal which is "riveted" to the end of the piston. s. How and where to oil You drop the oil down the transfer port and stand the gun on its butt for 30 minutes to an hour. But I'll take info on the piston seal as well. Designed to Feed & Enhance the life of Piston Washers & Breech Seals. We know Really cheap older Pacific rim guns from and old European spring guns with leather compression seals: Keep the leather piston and breech seals saturated with silicone oil. Dieseling from oil will damage the piston seal quicker than a lack of oil ever would. rifle is totally disassembled and cleaning it all. It seals the pistons in spring guns and seals everything in pneumatics and CO2 guns. Is the breech seal leather as well? Oct 27, 2022 · Just out of curiosity when oiling a new leather piston washer with neatsfoot oil how long should it be left for the oil to soak into it before you reassemble the gun? Apr 4, 2020 · On threaded end caps of a pressure tube, it relies on an inner o ring seal to seal air pressure We all know that. WEIHRAUCH HW BREECH SEAL 97 95 77 50 35 30 25 10 11 99 98 90 85 80 BEEMAN MODELS 17% off US $0. However, this is remedied in the final step of the process – a good soaking in oil. There are also two distinctly different types of spring-piston powerplants — one that is low-powered with leather seals and the other that is high-powered with synthetic seals. As received it came to me as hard as a rock. Supplied in dropper bottle 30ml (approx) UK DELIVERY ONLY Postal restricti Introducing the Upgraded Piston Seal for Air Arms Spring Rifle Piston. Just about to fit a new leather seal to my piston. Oct 28, 2023 · This chokes the gun. But we also know the silicone oil or grease we apply on the o ring will get onto those threads somehow which cause them to seize up. Your Hatsan is the latter. So, a possible increased efficiency of a synth seal would be offset by the decrease in stroke (almost nothing affects springer velocity as much than stroke length). MAKING A LEATHER PISTON SEAL FOR THE NORICA QUICK Spring Piston Air Rifle Making A New Setra Pump Assembly With A High Pressure Leather Seal Vortek High-Temp Molybdenum Disulfide Piston Seal AirArms, Beeman, HW, Hatsan, BSA, Gamo and others Manufactured from a high-temp, Molybdenum Disulfide impregnated Urethane cast bar material. Sized and internally lubricated providing smooth compression shot after shot! CNC precision made seals and heavy seal retainers For FWB Sporter piston seals see the FWB Sporter category. But, most airgun-grade silicone oil isn’t very good at lubricating metal-to-metal joints. The transfer port is directly behind the breech of the barrel. You can also oil all the hinge points of the cocking linkage with household oil or good gun oil. I dunno exactly what that means, so I tried searching the web. Leather naturally varies in thickness, however, these seals are made to very close tolerances. The crooked spring guide was replaced with a home turned Delrin guide fitted to the factory spring. A few drops of approved oil would probably improve compression. JG Airguns H0852026801 Leather Piston Seal [H0852026801] - Leather piston cup seals 1 inch (25. For HW -Beeman Custom Seals. Oiling These products are not designed for air rifle use, but are readily available, and prove to be quite appropriate for the uses I have listed. Can't forget great-Grand Pa's gun. Specifically engineered for all airgun powerplants, including spring-piston, CO₂, and PCP rifles, this high-quality silicone oil ensures optimal lubrication without compromising internal components. AirGunSeals. SOAKING LEATHER SEALS WITH OIL Leather seal guns don’t have an “OIL HERE” hole. Air Rifle Pellet Gun Seals Springs and Spare Parts to suit Gamo, Weihrauch, BSA, Hatsan, Cometa, Norica and Diana. Jan 23, 2017 · If the leather seal is dry , rejuvenate it with oil piston and breech seal alike. Never use oils that are 100% petroleum (like motor oil, household oil, etc. Apr 11, 2014 · It’s almost impossible to overlube a leather piston seal. I have repaired many old slavias so if you have any questions feel free to pm Mar 2, 2024 · Evening all, Question if I may, My old BSA has the flat leather piston seal. Fit it to the piston, avoid getting any lubricant on the screw/bolt attaching it to the piston body. The info I've found for Gas Pistons were mixed opinions. Ive heard 30w oil, pure silicon, etc with debates here n there about it. You do need to find out if your rifle has a leather seal. I located one, old “old stock” and it was rock hard. And it does not harm the seal if you do. When you smell burning oil, your gun’s dieseling. Marks on the old seal mount seem to indicate that. Why? Seals are made to fit the piston tightly. Cas2 airarms tx200 breech seal. CO2 Cylinders Collectables Mounts, Scopes, Sights, etc. Early '80's or before model 45 is certainly a leather seal. Jul 6, 2022 · In the process of renovating an original 35. This is the ignition of the excessive lubricant in the piston area. A spring piston cylinder should be cross hatched with a 400 grit and not high polished. Plastic seals are extremely difficult to obtain. Some may think I ruined a classic air rifle but I'm happy to have a shooter that surpasses it's original design specs. Photos: 1 leather seal, 2-3 o-ring conversion kit. As the lubricant traces burn due to the peaking temperature and high air pressure, the piston and breech seals are melted. I know it now shoots a bit harder/louder. Every time you pull the trigger is a compression stroke. Why do you think you need to oil it? If the rifle rifle is an older model then tear it down and clean out all the factory oil. Older spring powered guns use a leather seal. This is a standard Leather cup seal. The piston must have been slamming into the end of the cylinder. I've got a new seal for around the air transfer port and the oil for leather seals, but I plan to also get a piston seal if I'm taking it apart fully. @Brit Seals adv moly everywhere else. Oct 6, 2016 · The oil for synthetic piston seals does something different than the oil for a leather seal. This rifle was made in Spain for Beeman. Feb 20, 2025 · So leather with higher average friction, larger port, less bounce, shoots fine. Mar 21, 2005 · Use Silicone Oil – Wisely Silicone oil, such as Crosman silicone oil, is an airgunner’s mainstay. And the ARH moly paste on the piston seal is the only moly paste recommended. 1. May 2, 2025 · In terms of application: smear two to three drops of motor oil around the edge and face of the piston washer, allow five minutes to soak in, then dab off the excess with a lint-free cloth, assemble rifle. The leather piston seals are often found in break barrel spring piston air guns, it comes with 2 sections of leather and a screw in the middle. If you have a magnum air rifle such as the Diana 45 or the BSF 55, use silicone oil. Oct 20, 2017 · Let the gun stand for 12 hours before shooting. Macarri sells lube and I remember seeing Walther had a moly piston grease and a moly spring grease. Some say to use Super lube one said to use synthetic motor oil another says 100% silicone grease, and Tom Gaylord say to use molly lube for the seal. JG Airguns : 80 Long Rifle - Accessories, Cleaning Supplies Airguns Ammo, Collectable Ammo, Shootable Books, Catalogs, Manuals, etc. Then cock and uncock the gun without firing, if you can, to make the seal flexible. 00 WEIHRAUCH BEEMAN 26MM PARACHUTE PISTON SEAL WASHER HW 55 57 85 97 77 95 98 99 US $0. So use moly — not lithium grease. Some people talk about the essential role of a little dieseling. Then, shoot it at least 10 times to make sure the oil has spread around the piston seal. com. May 7, 2024 · Neatsfoot oil on the leather piston seal. This May 11, 2010 · Just wondered what everybody uses to stop their piston seals drying out and how often do you lubricate after assembly of new leather seals ? I remember that manufacturers use to recommend soaking with linseed oil before assembly then a few drops of oil such as 3in1 through transfer port every 500 pellets but we had quite a bit of deiseling until it settled down . I’m wanting to clean the leather before soaking in neat foot oil. 99. Got to wait for the other tenants to clear out to try sighting in again. 00 Jan 28, 2021 · When the piston reaches full stroke, all of the heat in the air is compressed (like a heat pump) and any dust or volatile gasses combust. You'll have to clean the barrel every 5-6 shots till it blows it out. The second reason is that your spring-piston air rifle is very much like a piston/cylinder arrangement in a motor. The spring otoh can be replaced by a Crosman spring or take careful measurements and have someone like Vortek make one for you. That is how the gun seals and compresses the air. They wanted motor oil to keep the glands swollen and to help seal to build and hold pressure I wouldn't go thicker than 20 on an air gun Air Rifle Pellet Gun Seals Springs and Spare Parts to suit Gamo, Weihrauch, BSA, Hatsan, Cometa, Norica and Diana. It's the little hole where the air comes from. 99 CAS7 DIANA 10 6 5 PISTON SEAL 30105900 $31. Pneumatic and CO2 Airguns We recommend Crosman Pell Gun Oil (or JGAGUNOIL), it is specially formulated for the valves and seals on these type airguns. If you don’t plan to use the seal soon, store it where it will get air. I wound up. May 13, 2019 · Here is the Beeman Falcon's piston - spring specs: Spring length: 8 5/8", 32 coils, width: . Most HW 55 seals I've seen look very similar to this, a simple but high-quality leather cup, with a rigid filler piece in the center. Since I had written an article about how to make leather piston seals of any size, I just followed my own instructions and made a tight one. Soaked it in neatsfoot oil over night and let it Original factory replacement spare parts for Chinese B3 air rifles. The seals will literally melt and some metallic parts will also get damaged rendering your spring-piston air rifle unusable. Leather seals forgives almost everything, stock synthetic seals are pretty tough and durable, orings May 9, 2023 · It's great for synthetic seals, and was recommended for decades to add a drop in the compression chamber of the old classic spring guns to keep their leather piston seals pliable. Air Rifle Leather Piston Seals. Feb 25, 2022 · Oil should hardly ever be put in the chamber. Air rifles are quite different from CO2 powered air pistols but still share silicone parts. Jul 31, 2021 · Acquired a leather piston seal for my HW55M from Chambers. Nov 18, 2014 · Diana RWS date stamped the compression tube on the original model 45. Feb 17, 2012 · You oily devil, you slipped this one by us! What're you gonna use to sticky it to the top? Moly or some of that mystery lube? Don't forget - that silicone oil is just the ticket for old leather piston and breech seals, too. Dab off the extra oil before reassembling. A detailed view of the air tube (BB gun equivalent of the transfer port) and the rear piston seal. 22 US $0. 99 CAS43 NORICA AIR RIFLE PISTON SEAL $32. Is the Rogers-made 107 blued steel Jan 4, 2023 · What type of oil is pellet gun oil Pellgun oil is a type of lubricant that is used to keep guns in good condition. Take the piston washer that has been soaking in the silicone oil and squeeze it dry using a J-cloth. Every gun I have on getting/ receiving whether air springer, pump, underlever, part cock them and few drops of oil thru the breech seal and close up and leave them upright overnight and my sgc's I use 10w 40 with Nov 30, 2005 · Leather piston seals are kept supple and therefore better able to compress air if they are kept lubricated. Apr 27, 2021 · I have a few old air rifles with leather seals, and I can't remember the mix recommended for lubricating and conditioning them. Secondly, the oil will prevent the CO2 cartridge from tearing the puncture seal if when a new CO2 cartridge is installed. com is the premier supplier for airgun seals and airgun seal kits in order to repair your airgun and return its performance to like new Jan 11, 2025 · Old HW35's have not only leather seals, but shorter strokes than the later ones. Traditionally, neatsfoot oil was used to deeply penetrate and soften leather. I tried unsuccessfully to rejuvenate the original leather seal. Used Regularly by Ourselves in the Workshop. p. Custom made piston and breech seals to suit any application Titan Leather Oil. Dieseling is just a few oil droplets vaporizing with each shot. Not just any oil though, but Neatsfoot oil. Does Dieseling Damage an Air Rifle? In general, dieseling can damage the spring-piston air rifles quite fast because of the combustion that occurs in the compression chamber. Jun 20, 2011 · What is the best oil or lube to try and restore a leather piston seal in an old Pioneer? Jul 7, 2022 · For any piston seal fitting over a dovetail, ensure the forward edge, widest part of dovetail, has sharp edge removed and polished, just as you would polish body of piston. Spinning piston and polishing forward edge of dovetail with 400 grit will remove minimal material but round over sharp edge sufficiently to ease fitting of seal. Jul 19, 2020 · Back then, household oil was like 3 in 1 or sewing machine oil or mineral oil. Leather piston seal refreshed, breech seal replaced with a synthetic. Jul 9, 2023 · + A quality replacement HW 55 piston seal from my parts stash. This is not as damaging as when done in a spring piston PELLET rifle where the components [mainspring] are much more powerful than the mild Daisy springs. Mar 16, 2013 · First you must clean out the air gun, you may use the restoring process (see index) or you just may use WD-40 for cleaning out the chamber of old oil and conditioning the piston's leather seal. 4 mm) outside diameter. For a gun with a leather piston seal, I would oil the seal every time you shoot the gun if you only shoot it occasionally, or once every two weeks if you shoot all the time. The seal at the end of the piston is typically silicone. These kits comprise all the parts you need to reseal or repair your airgun, including seals, O rings, screws and other metal parts as required. Mar 30, 2015 · Piston seal Pretty sure that rifle would have a leather piston seal. the end of the piston seal had separated from the piston and stuck firmly (like glued) in the very end of the tube, it was somewhat crumbly and Aug 17, 2018 · The manual for the Hatsan 150 says to "oil you air rifle every 250 shots". Ridgerunner can tell you that. 01 81 is January, 1981. May 21, 2024 · Internally, it works and is smooth but the seals have begun to disintegrate and it chronos about 100fps under what other people are stating online with very similar weight pellets. Vortek sells a leather seal conversion kit I adapted to the model 45 with great success. Jan 11, 2007 · New piston seal Ray had me make a new leather seal for the rifle. Use our moly paste for lubricating all of our seals only. MAKING A LEATHER PISTON SEAL FOR THE NORICA QUICK Spring Piston Air Rifle Airgun Shooting and Outdoor Channel 666 subscribers Subscribe Feb 12, 2011 · In fact, part of the "break in period" of any new spring piston air rifle is eliminating the excessive oil that may be in the piston chamber from the manufacturer. Nov 21, 2024 · First — the oil acts as a barrier around the edges of the o-rings to seal the minuscule imperfections in the surfaces they seal, much like the piston rings of an internal combustion engine. Jul 7, 2022 · For any piston seal fitting over a dovetail, ensure the forward edge, widest part of dovetail, has sharp edge removed and polished, just as you would polish body of piston. Feb 20, 2017 · The velocity thresholds are caliber-specific. So I took out the piston and soaked the oil into the sides of it to saturate the leather, then I daubbed it dry with a cotton rag. The type of oil isn’t as important (as long as it is petroleum-based) as having the plunger (piston) seal lubricated. Archer Airguns. We’ve seen these referred to as airgun rebuild kits, but a more accurate term would be airgun reseal kit since the primary purpose isn’t to rebuild your airgun Feb 3, 2018 · I have recently began tuning my springer rifles. This may sound mad when you first read it but Lard is a constituent of Dubbin that you use to treat Leather boots --- never tried it myself but I can't see any reason not to try it. The Original And The Best Aussie Red Seals Molybdenum Disulfide Impregnated Air Rifle Seals. For the reason that the Superlube with PTF as Bryan had mentioned will adhere better in the cylinder. For fwb sporter piston seals see the fwb sporter category. B. Soak it in air tool oil for 24 hours 2. But usually it would be synthetic, because that level of velocity only came about in the late 1970s, when synthetic seals came into popular use. Lubricate inside seal with STP, Present seal to piston at Jul 7, 2022 · I heard today you can re lube the piston seal by dropping in a few drops of oil through the transfer port my question is how much and what type of oil Mineral oil is not so good for leather over long periods, that's why people often find leather piston heads in old guns have disintegrated. It is also safe for leather. Sep 1, 2021 · Factory piston was "cleaned up" on the lathe & the leather seal was replaced with and oring sealed piston cap. They will expand a little to fit an out of round or over sized compression tube or can be Oct 3, 2018 · In far less time than a steel piston seal takes to work in, the leather seal conforms to the inside of the pump walls and makes an airtight seal. Cardew proved that spring-piston guns burn their lubricant to produce power. Apr 17, 2017 · I have been treating leather seals with Neatsfoot oil in my vintage air guns for many years without encountering any rust or other problems. To do that the rifle comes out of the stock. Dec 20, 2020 · The Mk1 utilises a leather piston seal which can achieve far better accuracy than the later Teflon seals in the Premier and Tempest/ Hurricane but it needs setting up correctly. That being said, it still needs oil. Neatsfoot, Hemp, 3 in 1, I've seen all kinds recommended, then insert it in the compression tube of the gun backwards so the flaired out seal is protruding from the end. I read that I can use non-detergent oil, like the 3in1 SAE30 motor oil, because it has a high flash point and works great. If your gun is spitting any sort of material into the barrel, STOP SHOOTING IMMEDIATELY! That material is the piston seal breaking up and being expelled through the transfer port. If you swap to synth, you get faster initial accelartion = more power, but the larger port reduces the presure build up, meaning the piston doesn't get slowed down so much t the end of the stroke, causing the guns to shoot slammy. Aug 7, 2011 · Regarding the leather piston, if the velocity is low, and you are going to stick with the same leather piston seal, you might try just flaring it out a little, and then lightly breaking the glaze on the O. Mar 11, 2023 · Equally, i have never had issues with leather seals i lubed with Parkerhale gun oil causing rotting. It is petroleum based and has added o-ring and seal conditioners in its formula. It shoots with more power now than Get the best deals for Air Rifle Seals at eBay. Tighter port addresses this. PicClick Insights - air gun leather piston seal conditioning and restoration oil 50ml for weihrauch PicClick Exclusive Popularity - 4 watchers, 0. The "kick" is gone and it gained over 300 fps in velocity. Springers, outside antique leather-sealed ones, aren't lubricated by dropping anything through Mar 20, 2017 · What is the current best option for lubricating leather piston seals? I assume some none combustible lube would be best? Google seems to be unsure and silicone keeps popping up - surely not? Earlier Slavia versions had leather piston seals attached to the piston with a screw. When an old, leather-sealed HW35 is modified for a synthetic seal, the adapter on the piston shortens the stroke further. New seals can be had from Chambers. May 2, 2013 · Back in the 1960s, when the typical spring air gun used a leather washer to seal the piston, it was necessary to regularly add oil to the cylinder to saturate the leather and keep it supple. This precision-machined seal delivers exceptional durability and superior sealing performance, surpassing the standard piston seal. Then roll it like in the vid on some towel with oil applying firm Airgun seal kits for many models of Benjamin, Crosman, Daisy, and other top airgun brands can be purchased here in pre-made kits which include seals, oil, and other parts required to repair your airgun, or help it to shoot harder. Does it need to be soaked in oil? The conversation revolves around the maintenance and repair of pre-war BSA and Lincoln Jeffries air rifles, #airrifle #airsoftindia #waltherWalther Air rifle service, Imported rifle in India servicing spring-piston seal and breech seal replacement, its model 55 usi Jul 6, 2022 · As per Title, looking for info on lubricating a new Leather piston seal as i'm guessing there is a chance of deiseling and things going supersonic. May 16, 2025 · That’s another peculiarity of the 107. The front piston seal. The leather piston seal is totally rotten, and I have decided to put in a spring with more power and a synthetic Sep 11, 2020 · With this particular rifle, as in my post, this was the first 27 I had seen with a thin leather 'skirt' to the piston washer, maybe 1mm thick. 2. Some people would say to only oil the breech seal.