How do i change the blades - Dewalt Tools & Hardware - Others

Disconnect the planer's power cord, then use the T-wrench that comes with the planer to remove the four screws that secure the top of the planer. Lift the top to remove it from the planer.
Remove the three wing nuts holding the dust cover over the cutter head. Rotate the dust cover up to unlock it from the fan housing, then push the cover to the left to disconnect it. Remove the dust cover from the planer to expose the cutter head.
Rotate the cutter head with a piece of scrap wood until the lock on the side of the cutter head engages. All eight screws in the cutter head clamp should now be visible. Remove the screws using the T-wrench, then turn the T-wrench upside down and use the magnet in the head of the T-wrench to grab the clamp. Remove the clamp to expose the knife underneath. Use the magnet to remove the knife.
Rotate the cutter head with a piece of scrap wood until the lock on the side of the cutter head engages. All eight screws in the cutter head clamp should now be visible. Remove the screws using the T-wrench, then turn the T-wrench upside down and use the magnet in the head of the T-wrench to grab the clamp. Remove the clamp to expose the knife underneath. Use the magnet to remove the knife.
Press down on the cutter head lock to free the cutter head. Use some scrap wood to turn the cutter head for access to the remaining two knives. Follow the instructions in Steps 3 and 4 to remove and replace those knives.
Press down on the cutter head lock to free the cutter head. Use some scrap wood to turn the cutter head for access to the remaining two knives. Follow the instructions in Steps 3 and 4 to remove and replace those knives.