Question about Air Tools & Compressors
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Posted on Jan 02, 2017
If the nailer is passing air from directly out of the trigger valve, it must be replaced (P/N-TVA11). If it is passing air from anywhere else, (eg back cap or front ) it needs an O-ring kit (P/N- ORK11)
Posted on May 28, 2009
Your nailer uses a trigger valve part # tva6 (or tva1, but use tva6) (cost about $20) and is sold at www.bostitch.com or ebay for generic. If you have a source for orings, you could try to repair the valve. Remove the roll pin that holds the trigger to expose the tva6 valve. There are roll pin/pins that hold the valve in just above the valve in the body (Use punch for 3mm hole). Remove these pins and apply air pressure to gun to pop-out the valve. Use caution when you do this. Remove nails, lower pressure to gun and use glove or rag to catch valve because it could come out with force. Note the two grooves on the side of the valve where retainer roll pins hold valve. Remember to insert the valve with these two groves aligned with path of roll pins. With tva6 valve in hand remove two pins that hold valve together and remove inner plunger. The middle oring/seal on plunger is cause of leak. Try using an oring with smaller inside diameter than the broken or loose fintting seal that is present. It must fit pretty tight and be slightly thicker than 1/16" to work. Remove the outer orings to valve and clean and re-use same. Clean the valve port in body of gun and check for sharp edges to prevent cutting orings before inserting the valve. Use silicone lube or oring lube on the orings and the valve port (Danco silicone paste sold at Lowes in the plumbing department). Good Luck on your repair and email if you have other questions
Posted on Jul 08, 2010
SOURCE: bostich rn46 . gun will
Assuming that there are no leaks, remove head and pull headvalve. Look for fine scratches where oring contacts head. If there is a deep groove worn into head or scratched, sand with 400 grit paper to restore smooth surface. If badly worn replace head. Reinstall parts using silicone paste (looks like vaseline, sold at lowes in the plumbing department, used for faucet orings) )
Posted on Nov 01, 2010
Here is the parts list for your gun:
The trigger valve is a tva6 and can be ordered from ebay. Generic valve works ok and saves money. I do not believe that individual parts are sold for the valve. If you have a source for orings, you could try to repair the valve. Remove the roll pin that holds the trigger to expose the tva6 valve. There are roll pin/pins that hold the valve in just above the valve in the body. Remove these pins and apply air pressure to gun to pop-out the valve. Use caution when you do this. Remove nails, lower pressure to gun and use glove or rag to catch valve because it could come out with force. With tva6 valve in hand remove two pins that hold valve together and remove inner plunger. The middle oring on plunger is cause of leak. Try using an oring about same size as the broken seat. It must fit pretty tight to work. If you had a small leak it could be that the firing pin orings fit too loose or just too worn. Use silicone lube or oring lube on the orings and the valve port. Good Luck on your repair and email if you have other questions
Posted on Nov 17, 2010
SOURCE: I have a Bostitch N64C
Assuming no air leaks when you connect air to gun. Remove nails and remove roll pin holding trigger allowing access to pin of trigger valve. With very quick motion depress trigger pin all the way in. If the gun fires then most likely problem with safety and trigger not being pushed all the way up against valve pin. If the gun does not fire, most likely problem with headvalve orings not seating due to scratches where orings contact metal. Remove head and examing metal parts and sand with fine paper to remove scratches (400 grit to finish). Install headvalve into head with plenty of silicone paste lube and push headvalve down into head with thumbs. Cover venthole on sealing surface of head with finger and release thumb pressure. The headvalve should stay down in head with vacuum and release when you release finger on vent hole. If no vacuum then orings are not sealing and gun will not work correctly. Good holidays
Posted on Dec 02, 2010
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