Refill the oil reservois with each tank of fuel. IMPORTANT To prevent plastic deterioration, do not use synthetic or silicone based oil. ADJUSTING AUTOMATIC OILER Tools required: 10x19mm (13/32x3/4) T-Wrench provided 1. Remove two (2) 10 mm guide bar retaining nuts and sprocket cover. 2. From bottom of gear case, turn adjustment screw (A) clockwise to decrease oil volume - counter clockwise to increase oil volume. NOTE Very little visible oil on the saw chain will provide sufficient lubrication.