How to unload the spindle motor from the Z Head
Loosen the clamp bolt (anti-clockwise) with the supplied 6mm hex driver.
Unplug the power and signal cables from the Z Head.
A: Power cable
B: Signal cable
To remove the spindle motor from the Z Head you will need to ensure that the orientation is correct.
The spindle motor switch (A) should be pointing straight towards the front of the Z Head.
It should look like this:
A: Spindle motor switch.
Not this:
A: Spindle motor switch.
When the spindle motor is in the correct position you will be able to pull it upwards out of the Z Head.