• Place the dust extraction adaptor on top of the base as shown in fig. C. • Place a nut onto each of the screws and securely tighten the nuts. ATTACHING THE CENTERING PIN (FIG. E) • Attach the edge guide to the router as shown in fig. B, but upside down. • Attach the centering pin (14) to the workpiece side of the edge guide with the screw (25) provided. OPERATION WARNING: To prevent personal injury, always disconnect plug from power source before assembly, making adjustments or changing bits.