Don't forget to put these screws in a safe place separated from the three stock screws. Also, use a steady, even pumping motion rather than spasmodic jerks. Crosman Corporation is an American designer, manufacturer and supplier of shooting sport products, with a long-standing presence in airgun design and a tradition of producing pellet and BB guns. In humid conditions, this can even cause moisture to condense on these parts. The valves of air and CO2 guns need a small amount of lubricant. Air Rifle Pew Pew Pistols Rifles Airsoft Track Lighting Weapons Diy And Crafts Projects To Try. VALVE ASSEMBLY - OEM PART. Airgun parts and supplies for airgun repairs, or modifications including seal kits, adapters, stocks, barrels and more. Clear ~A4 size or 24"x36" plastic bag. See picture below: Step 2: Removing the Stock Make your 1077 run efficient. Crosman .22-Cal Steel Breech Kit, Fits 2240, 2250, 2260, 2289 & 1322 Air Guns. I have a beautiful air rifle that looked almost new when I bought it. If the stock is made of wood, wiping it with a piece of cloth that has one or two drops of oil applied will help keep the wood looking good. Share with: ... i've had the same problem. The spring could shoot out while attempting this. Break action (break barrel) air rifles operate by pulling the barrel downward to cock the rifle. A drop of the oil on pivot points and O-ring seals will keep things working smoothly. If you would like a complete parts reference, please see: Here The part numbers referenced in this article are from the Crosman 1077 parts table of Chambers Gun Makers. Step 3: Disassembly of the Magazine Housing Treat you airgun as the precision instrument that it is. It also has enough built-in accuracy for dad to use to discourage amorous night critters. Maybe yours just needs a new valve. If you are not familiar with valves or not very good with lots of little bits and pieces I advise you not to do this without direct advice from someone who knows more about the subject. Introduction:This guide is designed to help the beginner and intermediate airgun enthusiast to be able to completely disassemble the Crosman 1077 and gain a greater understanding its mechanical workings and components. Do not allow any gun cleaning solvent to enter the pump mechanism or cylinder compartment of an air or CO2 gun. Such “advice” may be sound, but often it comes from someone who knows very little about airguns and never had the instruction manual. Note: Crosman has sometimes placed a washer behind the spring and often leaves the o-ring off the detent plunger. Be careful! It is a relatively inexpensive rifle, one that a youngster can afford. If the airgun has a stock made of plastic, use a damp cloth to wipe away dirt and salts from sweaty hands. Step 9: Removing the Hammer Latch, Pivot, Latch Spring and Safety Just push a dry patch through the bore a couple of times to remove any small particles of lead or other material. Several small trays to hold parts such as screws, pivot pins and springs so they won't get lost. and even a little more power. Any object of this type requires some maintenance, but airguns are not necessarily “high maintenance” devices. Gerald is old folks like me. 4.5 135 reviews * Crosman .22-cal. If I have heard one “secret” about how to care for an airgun, I have heard a dozen. With a little maintenance, most airguns will last for a long time. The Crosman 1077 was the airgun of choice for the 2001 Bikathlon Event at the Boy Scout Jamboree. 4mm Allen key/Hex wrench (Optional). The pellet magazine is released by pressing release buttons on both sides of the magazine and pulling it downwards. Things that might stick or 'grab' would be the safety slide lever (#1077-040) and/or the barrel clamp (#1077-007) a bit of wiggling/fiddling will free these parts. After removing the stock it will be time to start dismantling the action/receiver housing (#1077-021/#1077-022), This will be one of the more difficult parts of the disassembly so I will split it up into multiple steps. Use a flat-bladed screwdriver to remove the shroud retention screw (#1077-032). The synthetic stock is durable, will stand up to decades of use and features a … Like other mechanical devices, airguns will last longer and perform better if they are regularly and properly cared for. Be careful not to let the housing come apart whilst sliding it into the bag. Once it is open and hopefully hasn't exploded everywhere, remember to take a digital photo of it or memorise it before you take any of the small parts out. GAMO, CROSMAN, CHINESE TRIGGER GROUP DISASSEMBLY: Here’s a step-by-step on fully disassembling and reassembling your trigger pack. To remove the Co2 tube and/or the valve pipe you will need to remove the Co2 valve (#1077A015) at the same time. Now that the action/receiver housing (#1077-021/#1077-022) is opened up it is important to take some time to memorise the internals or take a digital photo to be sure you can remember where everything should be place upon reassembly. 2mm Allen key/Hex wrench. Step 4: Opening the Action/Receiver Housing We do not display every part online. Place the screws in a safe place where they won't get lost. Step 8: Removing the Hammer, Hammer Spring and Hammer Pivot Pin The clear plastic bag will stop any potential flying springs from getting lost. Enjoy round after round of the latest news, campaigns, videos and first release gear-drops from Crosman. that small shaft where it mounts the plastics break. Now that you have the Snap-ring/Circlip (#1077-051) out the way, usually all the parts of the valve will fall out. CO2, one powerlet, .177 cal., pellet repeater w/ 12 shot clip. References: Required Tools: Be aware of small loaded springs when taking the main housing/receiver body apart (eye protection is recommended). Second, the information has been prepared by experts who are extremely knowledgeable about your airgun and how it functions. Start by turning the housing (#1077-021/#1077-022) over to it's left hand side where there is only one Screw hole near the barrel shroud receiver. The note that came back with the rifle after it was fixed said, “Too much oil.” The excess oil had clogged the valve assembly. Call 888.262-GUNS or buy online from convenience of your home Never disassemble a gun that is loaded and/or still has Co2 in it. Now you should have a nice boost in power with a smoother trigger. Start by holding the barrel clamp (#1077-007) and the end of the barrel shroud. If you are unclear about any of the parts that I am describing just look them up here as I will add a part reference number to disassembly step of the rifle that I describe. I use no solvents on airgun bores because of the danger of the solvent getting into the valves. 4. Then pull the Barrel shroud away from the barrel (#1077-006) and the rest of the receiver. A drop of the oil on pivot points and O-ring seals will keep things working smoothly. The 1077 is lightweight and its suitable rifle for whole team or family. Reassembly is easy as it only requires inserting it into the magazine and securing it by pulling it backwards then inserting the ma… Snap-ring/Circlip pliers (for valve disassembly only). Aug 30, 2015 - Crosman 1077 1077W RepeatAir AirSource disassembly instructions and guide with tools, hardware and fasteners It's a 12-shot repeater that features a large rapid-change magazine, an integral scope-mount rail and fine accuracy - all for a terrific price. i've tried to assemble without those 3parts and my crosman 1077 is working like a charm. We offer more small airgun parts than can possibly be listed here. When taking the Snap ring/Circlip out be prepared for a sudden release from the (up to now) loaded valve spring (#106-008) that is located inside the valve body (Don't worry it's not too strong, just firm). If it says to apply two drops of oil to the pump wiper, do not apply five drops. Never exceed the number of pumps specified for your airgun (usually eight or ten). When a CO2 gun is fired rapidly, the expanding gas cools the surrounding metal parts and the inside of the barrel. An old rag or cloth to wipe oil off your hands and parts. When pumping up a multi-pump, make sure that you do not twist the pump handle as you operate it. The 1077 is … Some airgun parts are made of plastic. China marker/Grease Pencil used when disassembling the valve. To start you will need to take the sealing parts for the Co2 feed pipe (#1077-016) off the side of the valve (#1077A015). a) Be sure that you have a large enough workspace before you start disassembly! 1. Crosman 1077 Owners Site > Reassembling a 1077 (first time, need help) Share. Digital camera. This is best to do in a clear plastic bag as there is a very small index spring (#106-016) that may fly out. In fact, Crosman's 1077 was chosen for the 2001 Bikathlon Event at the Boy Scout Jamboree. Note: The 1077, 1077W and 1077AS all disassemble exactly the same way. CROSMAN CORPORATION RT 5 & 20 EAST BLOOMFIELD, NY 14443 Phone: 1-800-724-7486 Parts Order Fax: 585-657-5405 1077 & 1077W RepeatAir® CO 2 Rifle . The barrel is held in place by a locking mechanism that can be damaged if the barrel is slammed upward. 2. heavyhanded. I see many older airguns that would be still functioning if they had not been abused. It is not simply about putting a couple of drops of oil on some part that your airgun doesn’t even have. Step 4C: Note for Reassembly Safety: Owner's Manuals and Parts Diagrams Owner's Manuals and Parts Diagrams. Medium sized Flat-head screwdriver. Now reassemble the gun, generously lubing all the moving parts especially the contact between the hammer and hammer rod. Click on the diagram to expand and be able to view the part numbers. Accurate shooting requires the barrel to be indexed in the same position for each shot, and this may not be possible if the locking mechanism is damaged. Step 6: Removing the Co2 Tube, Valve and Valve Pipe You will need to get any scopes, sights or other add-on parts out of the way if attached. Post Nov 18, 2013 #1 2013-11-18T21:05. This is one of the more advance steps in this Disassembly Guide. To do this you will need to have a Snap-ring/Circlip plier set with you to be able to remove the c-clip (#1077-051) that retains all the valve pieces inside the body. We then photograph and text edit each step to ensure the accuracy of the rebuilding process. Occasionally, the bore should be swabbed out with a clean, dry patch. The valve seats are usually made of some sort of plastic or rubbery material that can be damaged by cleaning solvents. The Crosman 1077 is easy enough to load pellets and to install the CO2 cartridge when it runs out. To remove the detent use a small flat-bladed screwdriver between the detent body and the valve body (there is a small ridge there) and wiggle it off. Step 5: Removing the Barrel shroud and Foresight Dropping or careless mishandling is a common cause of damage to airguns. Stevie's 1077W with Simmons 4x32 8-Point Scope, unspecified Silencer and Bipod. Crosman 0413 Speedloader 12-Shot .177-Caliber Pellet Clips For Crosman 1077 Series And WildFire Air Rifles (3-Count) 4.6 out of 5 stars 969 $4.95 - $15.54 Medium sized Philips screwdriver. Just place a few drops of oil on a small piece of cloth and rub the metal surfaces thoroughly. We've been supplying customers with hard to find parts since 1950. This particular one is from a newer Gamo, so it doesn’t have an integrated tab attached to the rear, but everything else is the same: Before you start taking out any screws make sure that you take the 12-shot rotary magazine clip (#1077-001) out first. We personally disassemble and reassemble the guns. Airguns are mechanical objects that have numerous parts. After a pellet is inserted, the barrel is pushed back to its original position. This again is another easily done step, Take the hammer latch (#1077A044) out first being careful not to move the small 'V' shaped spring (#1077-055), Now take the latch pivot pin (#1077-056) out at the same time as the 'V' shaped spring, Now that this is done just take the safety slide lever (#1077-040) out by holding the housing (#1077-021/#1077-022) with your hand and pull the safety out straight with your opposing hand, Simple! See details - NEW Crosman 1077 Rifle COMPLETE CO2 VALVE ASSEMBLY - OEM PART. Pellets are easily loaded by pressing them nose first into the clip until it is full. All the tools that you will need are pictured on the left. Moreover, most airguns are remarkably durable. Him and his Wife were having trouble cocking the Break Barrel air rifle.. We did the trade. First Varient Course Thread on Piercing Knob. Remember on reassembly that the short, thicker screw goes in the front-most hole into the steel barrel band. It can fire as fast as you can quickly pull the trigger. The Crosman 760 is one of the industry’s great air-rifle success stories. How disappointing it would be to think that you bought and are changing the valve when you actually have the plug assembly! The first step in caring for your airgun is to read and follow the directions given in the owner’s manual. I am sure that some exuberant owner had thought that he should oil the gun after every few shots, but generally a couple of drops of oil after 200-500 shots is more realistic. Many airgun parts are made of some sort of durable composite material that is virtually impervious to moisture. There are several commercial rust preventatives, and I have found Birchwood Casey’s Sheath® to work very well. Well you've come to the right place because this category contains owner's manuals and exploded views of parts diagrams. Crosman 1077 phase 2 (1998-2001) seal kit, with step by step directions. Step 10A: Separating the Valve Body (Feed Pipe) The Crosman 1077 air rifle is a traditional, sporter design that has a distinctive look compared to the numerous, tactical “black rifles” that are so common nowadays. There are two important reasons for this. Step 10C: Disassembling the Co2 Valve (Internals) I just use Crosman Pellgun Oil throughout because there was so much plastic in there. Handy Things to Have: If they do not fall out on their own, pull the bushing out by hand and (gently) remove the o-ring with a toothpick or small hooked pick. Introduction: This guide is designed to help the beginner and intermediate airgun enthusiast to be able to completely disassemble the Crosman 1077 and gain a greater understanding its … However, certain airguns have barrel sleeves and pump mechanisms that are made of metal that will rust. Now take the hammer pivot pin (#766-044) out from the Hammer (#1077-030) and put it somewhere safe and then lift the hammer out of the housing. I make it a practice to run a dry patch down the bore of my CO2 guns after they reach ambient temperature just in case moisture may be present. If you do, it is possible to twist the linkage so that it does not operate smoothly without rubbing on the sides of the channel. Now you may gently ease the stock away from the rest of the rifle. Crosman. Step 1: Removing Accessories (if applicable) Model Number 1077 Name / Description RepeatAIR. Crosman's exclusive semi-automatic rifle with a 12-shot rotary clip keeps you in the action longer, while the Co2 makes shooting fast, fun and a breeze! Now that all the screws have been taken out of the housing (#1077-021/#1077-022) slide everything into a clear plastic bag. Share. Remember that the larger bolt type band screw (#1077-042) is from the front most hole. Try to find out what is preventing the control from operating properly. Step 10B: Disassembling the Co2 Valve (Detent)The next step is to remove the forward nose/detent that moves to allow clips and magazines to be inserted and removed while maintaining a reasonably sealed Co2 flow to the pellet. As working on the Crosman 760 is easier than the 375, I’ll discuss it first. With this mod you will get more shots out of a 12 gram CO2 cartridge. Don't expect there to a screw in every hole, Crosman has been known to sometimes leave out one or two. Step 4B: Separating the Action/Receiver housing If you are like me, you may actually enjoy the extra time spent maintaining such a loyal friend. Because airguns operate with a blast of air, most small particles of residue are blown out of the barrel as the airgun is fired. 5. Next, slowly remove the right-hand side piece of the housing within the bag. 2. The detent body (#106A010) houses the detent assembly (#106B036 and #106A046) which is a plunger with an o-ring and spring. 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