How to I get a jig saw blade to stay in the saw. - Bosch 1582 VS Jig saw. I have tightened what looks like a screw inside the shaft of the handle, but when I tighten it tight it starts to turn the blkade which then does not line up straight. PS Using Bosch blades... Tks.
I took the plastic piece off the top. Two phillips below where chord goes in and two star one on top and one under black cap. Once I had it dis-assembled I tried to tighten it with the top off. This seemed to work.
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To change the Bosch B4300 blade - If the grey knob does not turn to release the broken blade, you need to use a LONG THIN flathead screwdriver down the center hole at the top. Unscrew until the broken blade is loose. Pull out. Replace the new blade and then screw the it tight through the same hole at the top. DONE.
The black part on top of the handle must be pulled directly up about 1/2 an inch. this engages the screw mechanism that loosens the blade. For some people doing this the first time feels like they are going to break the handle but it moves easier over time. Now turn the black handle counterclockwise several turns and the blade will hang loose in the holder. Turn the blade 90 degrees and remove it. Place a new blade in and turn back 90 degrees. Tighten the handle on top until it clicks. Align the black handle to the main handle and press back down into place.
Most Bosch jigsaws have a handle on the top of the main handle that you need to pull up and rotate counterclockwise to allow the screw to accept the blade. Insert the blade and rotate 90 degrees into position then tighten the handle and press back down into place. In the beginning it may seem like you are going to break the handle pulling it up but rest assured it will get easier as it gets used.
When inserting the blade, turn the saw upside down to prevent the blade from moving while tightening.
Before inserting a new blade, check the receiver for obstruction or debris that may prevent the blade from properly registering with the tightening screw.
Make sure the blade is fully seated in the receiver before tightening.
The tightening screws that secure blades on any type of reciprocating saws (Jig, Scroll, Sawzall, etc.) are constantly under stress and do wear out. If the problem continues, it may need to be replaced.