I just had a look at mine. That switch on the battery component also has unreachable screws, at least they _look_ that way. I'd like to crack mine open because the vertical release doesn't work.
Alan Chan wrote:
One thing I do know is that to open the Motor Drive A, one needs a special tool. There are screws inside the battery compartment - three, if memory serves me - that must be removed to pull the thing apart. One of them is far enough back that it is impossible to get at with a standard straight-shanked screwdriver.
The trick is to remove the switch on the bottom first, then you will be able to reach that screw easily.
Alan Chan http://www.pbase.com/wlachan
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