ViewSonic LD163-181 User Manual page 17

4. Push each Locking Bolt and lock each Hook with the hex tool to securely connect
each cabinet together.
NOTE: There are six (6) Locking Bolts and 12 Hooks between each cabinet.
5. Lift the remaining Middle Cabinets up onto the Upper Wall Mount Brackets,
ensuring the Mounting Brackets sit securely on the Wall Mount Brackets.
6. Repeat Step 4, securing the cabinets together with each Locking Bolt and Hook.
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Push the Locking Bolt.
Lock each Hook with the hex tool.