X7702243800 21© 3/2016 ECHO Inc.HCS-3020 4020 OPERATIONAfter engine warm-up, grip the throttle handle with left hand and supporthandle with right hand. Depress the throttle trigger lockout, and graduallydepress throttle trigger to increase engine RPM to operating speed.Starting Warm EngineThe starting procedure is the same as Cold Start except DO NOT close thechoke.The blades must not move atidle, otherwise serious personalinjury may result. Periodiccarburetor adjustment may benecessary to assure blades donot move at idle. If blades move,readjust carburetor according to“Carburetor Adjustment”instructions in this manual or seeyour ECHO Dealer.1. Stop SwitchMove stop switch (A) away fromthe STOP position.2. Purge BulbPump purge bulb (C) until fuel isvisible and flows freely in the clearfuel tank return line. Pump bulb anadditional 4 or 5 times.3. Recoil StarterPlace the unit on a flat, clear area.Grip the support handle securelywith right hand, and pull the recoilstarter handle (D) with left handuntil engine fires.Note: If engine does not startafter 5 pulls, use Cold StartProcedure.ACBD