Sharp Innova Strip - Back-end part 1
Here is a guide to accessing the 2 parts of the Sharp Innova which usually give problems; the exhaust valve and the air cylinder.
So to access these you leave the muzzle end of the gun well alone.
Open the pump arm - this removes any positive or negative pressure on the guts of the gun - the bit we want to get to.
Take off the stock by undoing the single large phillips screw in the trigger guard.
Put the stock to one side.
Remove the brass threaded collar into which the stock screw went.
Take out the threaded long grub screw which goes through the breech block into the compression tube/ air cylinder using a normal screwdriver
Carefully jiggle out the compression tube from the breach block catching the shim as you do it. Do not lose the breach seal O-ring in the process!
Unscrew the cover at the bottom of the compresison tube with a pair of thin nosed pliers and the exhaust valve assembly will fall out.
Keep the bits in the correct order!!!
Once the exhaust valve assembly is out you can close the pump arm which will create positive pressure and force the air cylinder out of the compression tube.
You can now degrease the valve assembly and if required unscrew the air cylinder to degrease that too. Don't lose the spring and ball bearing.
It's advisable to replace all O-rings when you do a back-end strip of an Innova. Most parts are available from Chambers.
Contd...
Last edited by MattyBoy; 10-12-2010 at 06:33 PM.
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