Hot-start procedures that work on most hedge trimmer models:
Hold the throttle wide open and pull the starter handle until the product coughs.
Pull the choke out and push it back in without touching the throttle. This will set the high idle and the product should start much easier.
Press the air purge repeatedly until fuel begins to fill the bulb. The bulb doesn't need to be completely filled. Push the choke in the closed position. Keep on pulling the cord powerfully until the engine starts. Once the engine starts, apply full throttle.