Video- that shows a complete installation of the large shaft.
Unscrew the Black nut on the front of the die grinder. Note- This is a reverse thread! Hold the neck with a vice. You will get scratches from the vice on the neck.
Now mail us the front assembly
Now the next step is a bit tricky. If you don’t have an Arbor press send the front assembly to us & we can do this step for you.
Press out the stock shaft. & press the new shaft back in.
We will send the neck back after this step.
Reattach the front assembly
using the 4 screws
tighten the Black nut on the front of the
die grinder. Note- This is a reverse thread!
You are done