Sometimes during winter storage or shipping the connectors become loose. Kindly see attached videos to repair.
Accessory end repairer - https://www.youtube.com/watch?v=w3dVUhz9oQg
Tap end repairer - https://www.youtube.com/watch?v=iEBf7ueRHHk
Hose repairer - https://www.youtube.com/watch?v=OIqdKmSjyTc