Question about Air Tools & Compressors
The driver will not return if the new oring on the piston is causing too much friction. The piston should move easily up and down the cylinder, however should not drop down the cylinder under its own weight. If too tight, use old piston oring/seal. If the piston is not too tight, then air must be leaking out between the driver blade and driver guide washer under the lower bumper. If the washer seems to be good (washer with slot cutout) but you suspect that air is leaking past, cut small circle of rubber (tire tube) and with sharp knife cut slot into rubber so that the driver fits snugly thru. Place the rubber washer on top of the metal washer for better seal and retest. Good luck
Posted on Dec 11, 2014
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Posted on Jan 02, 2017
There is a number of reasons that this will happen. Is the driver (plunger) physically stuck? Take a small screw driver and see if it can manually be pushed back. It may also be a broken head valve spring, or a stuck head valve (you have to remove the rear cap to get to these parts) Maybe this unit just needs an O-ring kit. Try these things and let me know
Posted on Apr 14, 2009
I have been buying Bostitch t31 parts on ebay. Rebuild kit usually about $22 - 39 depending on how luckey you are at bidding. Keep searching on Ebay for other parts for this gun as parts are not available at Bostitch.com any longer. The oring kit for the N60 is available at amazon.com. the part number is ORK1, cost under $20. You can also find bargains on ebay. When installing orings us silicone grease. It is available at lowes in the plumbing department. It looks like vaseling. It is used for lubricating orings in faucets. Good luck on your repair project.
Posted on Mar 04, 2009
SOURCE: bt200 only exhausts
Here is a parts diagram. You may want to remove the four, top allen screws and pull off the head. Turn it upside down and with your thumbs push on the head valve assembly (items 9 and 10) and make sure it goes up and down freely. It is spring loaded (item 8). If it gets stuck it will blow air out the exhaust. Also a bad seal between it and the cylinder will cause the same thing.
When reinstalling the head assembly I push down from the middle of the head as evenly as possible to compress the head valve without cocking it and having it stick. I then hold the head with one hand while putting the screws back in with another. I use t handle allen wrenches. Also always lightly grease (or coat with air tool oil) any new o-rings you install. You don't want to run them dry. I use a tub of white lithium grease because I do so many. If you knew this already I apologize but it may help others that read this.
Bostitch BT200 parts diagram
Posted on Aug 22, 2012
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