Do you add a drop or 2 of pneumatic oil before connecting to the air line? This is what happened to one of my finish guns. I ended up taking my gun apart to get to the driver and nail guide; adding oil in places to get the driver to function properly again. I removed all nails(IMPORTANT) and would then push the driver back to position,put the guide back together, then fire, remove the nail guide again and expose the stuck driver.... repeat repeat repeat. Adding oil in places that looked catching. Fixed it. Works like a champ now
SOURCE: AS 300 electric stapler--pulled out
What has most likely happened is part of a staple is stuck in the front portion of the stapler where it forms the staple and presses it into the stapler.
You would most likely have to remove the stapler, and remove the binding staple from the stapler head.
SOURCE: LOAD IT
pull out the spring at the end of the gun. turn the staple gun upside down. Lay the staples in the track pointed side up, push in the spring slide so that it locks. You are ready to staple.
SOURCE: Swingline Stapler Staples Only After You Open It Up....
When you lift up the top of the stapler (as though you are going to put staples in), does the pusher slide freely back and forth? It might be getting stuck at some point and not pushing the staples (either due to a worn pusher spring, or friction). First (after removing the staples) try spraying some light oil on the mechanism and lifting the top part of the stapler up and down a few times and observe how easily it moves back and forth. Also, with the top open try GENTLY sliding back and forth a little - if it slides fine with no sticking, try loading staples and using stapler. If it slides ok, but doesn't quickly return to it's "normal position" when pulled so as to put tension on the spring, rhen the spring may be worn and need replacing.
SOURCE: Disassembled the stapler now need diagram to reassemble
Found user manual online but no parts breakdown, I have a phone number at 1-800-343-9329 and they might be to email you the breakdown. Wish I had better info but this is all they furnish online.
SOURCE: Bostitch stapler T40S2 has air leak at trigger. I
Go to the Stanley Bostitch website. Click on schematics & parts. Find your model number in the drop down list. There is a list of parts and pricing. Just above the parts is a link for the schematic. Honestly, I worked on these things for years. It is best to replace the entire trigger valve. It comes as a kit with instructions grease, and a little tool to hammer your pins out. Lemme know if this helps. Please rate me
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