How do I change the blade? I loosened the three nuts but still am unable to get the blade assembly to come out so I can reverse it.

I am no expert on your saw but on my table saw what I do is block the blade from rotating with a scrap of wood by hooking a tooth on it. Next use a wrench to loosen the blade nut (which is reverse threaded) and simply swap blades.

Try this.
Loosen the fastening bolts Loosen the three bolts that secure the blade.

2. Remove the blade
Now you can use a screwdriver to begin sliding the blade out of its slot. Grab the blade carefully and slide it out the rest of the way.

3. Repeat the process on the reverse side
Now turn the planer's drum around to the other side and repeat the process on the second blade.

4. Install the new blade
Now you can install the new blades. Notice the blades have a notch on them that aligns with the slot on the drum. Align the notch and slide the blade into place.

Loosely tighten the outer two nuts, but don't tighten them completely yet.

5. Align the blade
Make sure the blade is centered so it won't rub against either side of the planer. Once the blade is centered you can fasten the bolts down completely.

6. Repeat the process on the reverse side
Now rotate the drum and install the new blade on the other side.

Changing the Blade Drive Belts:
a.Set the parking brake. Remove ignition key and both spark plug caps.
b.Unscrew the wing nuts from the deck covers and remove both covers.
c.Using a 3/8" socket breaker bar or socket ratchet insert the drive end into the 3/8" square opening in the lower idler arm assembly and push the idler arm counterclockwise. While holding the idler arm back, loosen the blade drive belt from the pulley and slide the belt away from the pulley.
d.Remove tension of the PTO belt by moving the belt tensioning rod. Loosen the belt retaining bolt.
e.Pull the tensioner pulley away from the belt and remove the PTO belt then remove the blade drive belt.
f.Reverse the process to install the belt.

Go to thicker tape. Electrical tape would work but it sounds like threads are bad

It may be reverse threaded or left hand threaded. Which means that all that grunting was in a tightening direction.

There are two nuts up by the blade that will be removed to get blade off also there is a small screw next to the blade itself on the opposite side. You must loosen 2 big nuts then back this small screw off a few turns will be inside a small hole near blade. Once blade chain is loose take nuts off drop blade replace do everything now in reverse.

Un-plug the saw. Remove the screws holding the side saw guard in place. Look at the center of the saw blade for the nut holding it in place. Take a socket wrench that fits the nut and loosen it. You'll need to take a scrap piece of wood 2x4, and jamb the teeth of the blade into it while loosening the nut. The nut will come off first and then a washer/spacer.

Reverse the order for installing the new blade. Make sure you use the proper size diameter blade (10 inch) and mounting hole in the replacement blade. Also, use the provided washer/spacers that were on the original blade and secure the nut. Spin by hand to see if everything clears. Mount the protective guard back on. Plug in the saw and test cut .

Good luck. If you are still unsure - ask a handy neighbor to help. It takes about 5 minutes to complete this task.

you need to grab the blade with something.maybe some pliers(if you are not going to refurbish blade) and loosen the nut in the center of the blade. i think it is a left hand thread(cw to loosen) because of the rotation of the blade. if the nut is on the left when looking from the front it is probably left handed. make sure it's unplugged and wear leather gloves so you don't get cut. install in reverse...

you need impact gun.air or electric operated impact,run it reverse. it shouldn't be loose like that. i am guessing the armature drop could be the ring is out of the armature groove. ring are located inside the motor assy.

should have blade lock button remove blade with proper size wrench reinstall new blade in reverse remember some of these the loosening of the blade will be clockwise so if nut dont come loose try clockwise to loosen good luck