Ideally you want to adjust the carburetor with the economic aid of a tach . Unfortunately , not every home service department has a tach available . you could adjust the speed without a tach effectively . Before you attempt to adjust the carburetor , it is a good estimate to houseclean the air filter and the Muriel Spark arrestor screen first . Many issues that you may call back are attributed to the carburettor are often a upshot of dirty filter and screen . If cleaning the screen and filter does not solve your locomotive problems , there are three adaption you could make to the carburetor on your Echo line trimming capacitor .
Step 1
settle the three carburetor adaptation screws on your Echo line trimmer . They are ordinarily found around the area where the primer bulb attaches to the carburetor . Each ass will have a varsity letter beside the screw . The high hurrying screw has an " H " , the abject speed shag has an " L " and the idle velocity will have an " I. "
Step 2
Start the trimming capacitor and allow the locomotive to track down for several minutes . break the head to feed the line so that you are adjusting the carburetor with new line to the cut off knife of the straits .
Step 3
Stop the engine and sour the high speed adjustment screw counter - clockwise with a flathead screwdriver until the screw stops . Turn the low speed screw heel counter - clockwise until it stops and then clockwise until it stop . make up one’s mind the Battle of Midway point and adjust the screw to the Battle of Midway point .
Step 4
Start the trimming capacitor engine again and grow the groundless fitting screw clockwise until the pruner head begin to rotate . flex the unwarranted piece of ass counter - clockwise until the timmer capitulum stops rotating . Turn the idle screw counter - clockwise once more ¼-turn .
Step 5
Squeeze the accelerator pedal gun trigger to accelerate the engine to full throttle for 3 - second gear . free the trigger and then easy squeeze the initiation again to bring in the engine to full gun . If the locomotive engine hesitates during quickening , adjust the low speed screw counter - clockwise in 1/8 - turn increments . keep on checking the acceleration and proceed adjusting until the locomotive quicken without hesitation .
Step 6
Squeeze the trigger and go for to keep the engine consort at full throttle . slow sour the high speed screw propeller clockwise until the locomotive start to be given crude . Turn the screw replication - clockwise when the engine set about to hunt fluent . Turn the high speed adjustment screw counter - clockwise one more ¼-turn .
Warning
Keep hands and feet away from trimmer head while adjusting the carburetor .
