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2. Move the snap lock in front of the contact spanner to the unlocking position. Insert a
small flat-bladed screwdriver into the hole on the snap lock and press the snap down
about 1mm. At the same time, push the snap lock forwards with a thumb until the snap
lock and its counterpart separate. Then release the snap lock with a screwdriver.
3. Unscrew the M3×6 screw. Then press down, in turn, the two clips that engage the front
cover. At the same time, pull off the front cover carefully to avoid damaging the cables.
Snap Lock