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Re: I have 1 10 In compound miter hexbolt will not loosen...
Most mitre saw bolts that hold blade are left hand thread. If you overtightened you might have to use extra force to loosen, on occasion I have had to use an impact wrench to loosen.
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Check to make sure the blade washers are installed correctly and the right order The thread is left handed on the bolt and should tend to tighten from the toqure of the motor spining If this dosn't you could try a drop of white lock tight on the threads of the bolt but don't use red locktight its to strong
There is t shaped scocket type wrench that came wuth the saw that pushes into the saw next to the rear handle it fits the bolt that holds the blade on.There is l shaped metal locking buttom on the front of the motor houseing. The bolt has left handed thread so it loosens in the oppisite deriction as a normal bolt clockwise. push the L shaped button in to lock the blade loosen the bolt remove the washer and blade install new blade in reverise order
Exploded diagram for your SM100M miter saw is here. User manual is here.
Page 20 covers blade change operation.
Make sure you unplug your saw! You need to remove a screw from the cover and rotate the cover to the rear. Use a hex wrench in the motor shaft to keep the saw blade from turning, and loosen the arbor nut with a 1/2" wrench. The arbor is reverse threaded, so you'll turn it clockwise to loosen, then counterclockwise to tighten it up after you have swapped the blade. Rotate the cover back after that's done, and replace the screw.
there is a nut holding the blade in the center , it is left handle thread , there should be a locking mechanism to hold the blade while you unscrew the nut
It is left hand thread and if the lock won't hold what you can try is put a 2x4 on the table and pull the head down against the wood and with a good socket and ratchet loosen it that way.. remember to tighten to loosen
OK first raise the cutting head. Loosen the screw that holds the guard in place and move out of the way. Find the spindle lock on the right hand side of the gearcase and turn blade by hand (UNPLUG SAW FIRST) until it locks. With the wrench supplied with saw put it on the blade bolt and turn it clockwise to loosen, it has left hand threads, remove outer flange and blade. Let me know it you need any more help
There may be a push button type blade lock, and on many of these saws the retaining bolt for the blade is backwards threads, e.i., looking at the top of blade retaining bolt, turn it clockwise to loosen. This would normally tighten, but in the case of many of these saws, it loosens it.
is this the nut holding the blade???
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