>Now Set the Idle Air (L) Mixture Screw so there is No Hesitation when Rapidly Throttling from Idle to Full Throttle. Set the Engine Idle Screw (Not Idle Air) so the Engine will Stay Running if Required. Occasionally you May have to Turn this Counter Clockwise to Achieve the Proper Revs.** >Now Allow the Engine to Idle. If the H Mixture Screw is Set too High the Engine will be Starved for the Oil in the Gas and Damage the Piston and Jug/Cylinder) and the Engine is Running Proper at Full Throttle Up a Grade and for Chainsaws and Trimmers they Do Not Bog DOwn Under a Load. Set to Max and then Reverse the Setting Screw 1/4 or 1/2 Turn. **Carefully Use your Finger and Move the Governor Arm to Rev the Engine (on Chainsaws and Trimmers Use the Trigger to Rev the Engine) Until you Reach Max RPMs (on Chainsaws and Trimmers, the RPMs are Not Set to MAX. >Turn the Main Air (H) Mixture Screw Clockwise Until Proper Revs are Obtained. Set the Throttle Full Open, Start the Engine. >Now Setting the Air Mixture Screws: >****Turn the Idle Air (L) and Main Air (H) Mixture Screws In Until SNUG **Do Not Jam** Then Reverse Both Screws 1 1/2 Turns. The Procedure is the Same for 1 or 2 Mixture Screws, Just Use the Instruction File and Skip Over the Section with the Missing Mixture Screw ( Usually the H Mixture Screw). >The Following is the Instruction File for Setting the Air Mixture Screws. Remember to have the UT Number if this Unit has One. You can Get a Manual from the Following Site Addy and Fill Out the Required Information. SOURCE: I need a manual for a homelite gas hedge trimmer
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