Do you have a question about the Echo PB-620 and is the answer not in the manual?
Covers RSI, weather, indoor use, work area, grip, stance, and hot surfaces.
Covers fuel requirements, mixing, and safe handling procedures.
Detailed procedures for starting cold and warm engines.
Instructions on how to safely shut down the engine.
Details exhaust system cleaning and carburetor adjustment procedures.
Lists causes and remedies for engines that crank but don't start.