The derailleur guard is sometimes pushed in during the inbound shipment. Use a clamp to adjust the derailleur back to the up straight position.
See our YouTube clip: https://www.youtube.com/watch?v=RRHCHbLkZVc&list=PLNsgX1xO4F6Fp-um2K4UgLFrVNSuFuZ_I&index=18