Start by removing the battery from the machine. Disassemble the machine as you would normally to the
point of how it was in the box. Now remove all the screws from main control housing (MCH). There
should be 4 screws. Next you need to carefully remove the brass pressure pin from the clamp right
under the MCH. You can do this by driving the pin out with a hammer and punch (or some other type of
pointed item). It does not take much for it to come out. After this, then remove all the parts
for the clamp and the pressure pad that secures the middle rod to the upper rod.
Carefully lift the face plate of the MCH to reveal the inside of the MCH. You will see that the
face plate is connected to the back of the MCH via a wire going to the speaker and via some wires
going into the upper rod. Disconnect the wire going to the speaker at the circuit board. This is
a simple connection that slides right off. Now put the face plate back on the back part of the MCH
but don't insert the screws.
You are now at one of the tricky parts of this conversion, removing the MCH from the upper rod. In
theory, the MCH should slide right off of the upper rod with just a little pressure. Mine did not
work this way. I tried everything from applying pressure to using a hammer lightly. After about
giving up, I finally called Minelab to find out the secret to removing this part. Turns out that
Minelab started using small drops of super glue when assembling the Explorer II.