Take a look at the basic strikes in the fundamentals of the WLKE Monkey King Staff video and do those. Start slow for form, then speed it up to the point where you start to hear the strikes; then start working on your daily rep count.
Store your staff laid flat on a flat surface if possible, if not in a proper rack. Do not store staff leaned up against a wall because it will warp.
Key element: whenever possible let your stance transition do the work.
By the way, as far as I know 3 sectional staff is not Hung Gar, right?
Good Luck, and YOU WON'T CATCH OLD SAL playing with 3 sectional staff, got enough things to bite me already ...
The first four names on the guest list were the Riders of the Apocolypse, and the party just went down hill from there.