Remove knob, with flashlight look down top of shaft see a slotted screw that screw is flame adjustment.
To adjust, light burner, turn flame to low, with screwdriver turn screw rite till flame is at desired hight (aprox 2mm). now turn up to high check that high is satisfactory if high is to low then adjust screw. check low again. adjust till both setings are acceptible. do for all burners
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Remove knob, with flashlight look down top of shaft see a slotted screw that screw is flame adjustment.
To adjust, light burner, turn flame to low, with screwdriver turn screw rite till flame is at desired hight (aprox 2mm). now turn up to high check that high is satisfactory if high is to low then adjust screw. check low again. adjust till both setings are acceptible.
do for all burners