Steyr LG110 Air Reservoir Tube Disassembly I didn t start taking pictures until the end so I don t have more. 1st - make sure you empty all the air, I used the fitting that came with the gun intended for filling and just tightened it up until it opened the valve stem and I let the pressure slowly go down. 2nd - My airtube had the Steyr quick fill and manometer so removed the plastic protector out of the probe hole and used a #2 Phillips screwdriver with electrical tape wrapped around the shaft. Insert the tape protected part of the shaft into the probe fill hole and use the screwdriver as a wrench to unthread the assembly. It came off rather easily. 3rd - remove the aluminum valve end. I tried with an adjustable spanner wrench with NO luck. This assembly is on their tight. After all kind of maneuvers, I contacted my airgun/machinist genius David Alsup. He gave me a great solution. 3.a - Place a piece of masking tape over the end of the air tube with the 3 pin holes and use a drill bit that closely matches the size of the pin holes to â€œpunchâ€ holes in the tape. See below: http://i1009.photobucket.com/albums...3-9675-4AC6-A585-9098215E45CD_zps5guudyjy.jpg 3.b - transpose the tape to a piece of metal (I used 2 in channel iron) and use the tape as a pattern to drill the holes precisely in the metal to be used for leverage 3.c - clamp the tube securely in a vice. I used 2 wood blocks with some gripping material and a strap wrench to support it. It is best to have help at this point http://i1009.photobucket.com/albums...A-8A4F-4948-8C78-DB10FC2EB416_zpsdnajcosn.jpg 3.d - put the same drill bit used as well as other bits if you have enough in the wholes of the metal to use as a spanner wrench. I didn t have enough bits so I used T20 Torx bits off wrenches i had. http://i1009.photobucket.com/albums...7-E60F-4C58-BE8B-AE9CCF03CE3C_zpsl2uoab77.jpg 3.e - put tape back over aluminum fill piece and insert metal and â€œpinsâ€ into the pinholes of the aluminum fill piece. http://i1009.photobucket.com/albums...7-7151-41CC-9830-B656130E3CC3_zpsey1ski29.jpg 3.f - use the metal & pins as a spanner wrench and unscrew aluminum fill piece while holding the tube tight. This took some effort Pictures when done... http://i1009.photobucket.com/albums...F-B914-4920-A9BF-256CC21AB593_zpscxqt7dj4.jpg http://i1009.photobucket.com/albums...8-06DC-4633-95C7-DAEDD64999C6_zpszmwzydmh.jpg http://i1009.photobucket.com/albums...3-9F2E-44C5-99C4-77BB822C638D_zpshlweoiek.jpg Now it s off to the anodizers for a color change ;-) Hope this helps someone. Thank you David Alsup.