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5.2. Installing the reading heads
5.2.1 Installing the Moon reading head
The installation of the Moon reading key is simple in that it is sufficient to make a 33
mm diameter hole with a hollow mill, which can easily be found in specialist shops.
Once the vending machine metal sheet has been pierced, insert the reader and fix it
using the relevant nuts supplied (M32 nuts).
There is a projection on the perimeter of the reading head to prevent the round frame
from turning.
1. Vending machine surface
2. Moon reading key
3. Fixing nut