Here's How:
- Disassemble the Gun
Follow the manufacturer's instructions that came with your gun. If you don't have a manual, find one online and follow those instructions.
- Clean the Parts
Wipe off any old lubricant and scrub off any dried paint that may have entered into the gun.
- Replace Worn Parts
Following the manufacturer's instructions, replace all worn parts including the cup seal (part of the valve), the sear, and any springs. You may not need to replace everything to fix your gun, but if you've already taken the gun apart, it may be a good time to fully rebuild the gun
- Replace O-Rings and Lubricate the Gun
Replace all the internal o-rings and put a dab of o-ring grease on each one. Put the proper lubricant on all other parts of the gun. Many guns work fine with either oil or grease, but some guns require one or the other, so read your manual.
- Reassemble the Gun
Reassemble the gun according to the manufacturer's instructions and then air it up and test it out. Assuming you correctly put replaced everything and reassembled it properly, the gun should shoot like new.
Tips:
- Take your time. If you rush through a rebuild, you'll probably forget something and then have to take the gun all the way apart again to fix it. You'll usually save time in the long run if you take your time and do things right the first time.
- Make sure you have plenty of room to take apart your gun and lay out all the pieces. I have spent more time than I would care to remember searching for misplaced pieces when I didn't have enough space to properly lay out a gun. It's a good idea to start with an empty table and lay out every part exactly as it came out of the gun so you remember where everything goes.
