Replaced hydro drvie belt and now left side weak

[cowboy9]

i have 2010 Cub Z-Force 48 inch the hydro belt broke replaced it and one of the shocks on left had hard time figuring our how the belt went on and I thought I had it but now the it runs but the left side has very little power like belt is slipping how should go on or a diagram would be nice?
Thanks for any help

 

[mechanic mark]

https://www.cubcadetpartsnmore.com/cub-cadet-service-manuals

scroll down right side of page for your 2010 z force, click & look through contents for drive & see pages 29-32.