Wrong size nail stuck in nail drive,how do i open this up to remove it.

Use screwdriver to break open bobbin case. Use new bobbin case.

if you are a handy person you could drill the nail out providing you get the same size of drill and drill it out
with lots of coutions

I don't have that same model but my gun started doing something similar a while back. I was able to disassemble the head of the gun and found that the hammer or piston that drives the nail had rounded itself off and wasn't able to make good contact with the nail head. Instead it pushed itself on top of the nail and got wedged. It's nearly impossible to see the stuck nail or dulled piston head without taking it apart. Hopefully this will help.

Nail guns will jam when driving nails thru very hard wood, solid objects, allowing the gun to double fire hitting the first nail or using the wrong nails(amoung some of the reasons, you get the idea that jamming is common) . There is no special tool to help in case of jam. You must be creative. I use an old driver shaft from nailer that easily fits into the nose of the gun (you can grind a piece of allen wrench to fit into nose and allow space for the stuck nail). The metel that you use must be very hard and strike with heavy copper or brass hammer (caution, steel hammer may splinter metal, use protective gear ). You will need to strike very hard to remove some stuck nails. If first or second strike results in no movement of driver, remove the head and cylinder of the nailer and place the body of the gun squarely on piece of plywood over concete floor (this will protect the head of the nailer from being damaged). Worst case, you will need to remove the rails. Good luck.

This has nothing to do with oiling the tool. It was most likely caused by a worn drive pin that you should slightly sharpen, (Squared off to hit the nail head flat) or replace all together.

Remove all air lines from the tool. Find a Drift Pin that is similar in size (but smaller) than the tool's drive pin.
With the tool upside down on a slightly padded workbench and the business end of the tool facing UP, I would use a mallet and drift pin to drive the DRIVE PIN, (not the nail) back into the reset position. (Back into the air cylinder) The nail will not follow the drive pin & when done, the nail should fall out, or be removable with pliers.

Good Luck!

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I have the same brad nailer and the samething happened to me, only after looking at a few nails from the previous package i had and the new package i had bought ,i notice i had bougth the wrong gauge size nail, if the nails are a size smaller the driver will grab 2 nails when it comes down .this could be your problem too. check the gauge size of your nails make sure their the right ones for your nailer.

nail jam remove air, open front of nailer, make sure the shaft goes back up in..also check for incorrect size or type nails

You should be able to open the load cover and be able to remove the nail. Sometimes the nail wire is located in the wrong spot which will cause the feed pawls to get jammed, and also cause the nail to get hung up. After you get the nail dislodged make sure that your canister is set to the correct level for your size nails. Then lay the nails down to load it. Check the placing of the wire on the nails in relation to the feed pawl. If the wire is on the feed pawls you need to find another roll of nails and do the same thing. Sometimes the wire is misplaced during production and affects certain nailers. If you have any questions please post again.

Remove the air hose and open the nailer head section. Look for a foreign object in this are that could be jamming the drive pin. Also, make sure you are using the right size nails.