Drift-Cutting Position 1. To move drift cutters to drift-cutting position, loosen but do not remove clamping knobs (item 5). 2. Slide drift cutter down and to the rear of the unit. 3. Rotate drift cutter down and to the front of the unit until the notch in the side of the drift cutter securely seats on the upper bolt. See Figure 3. 4. Securely tighten clamping knobs. ยง. Repeat on other side of unit. Figure 3 ASSEMBLY 73203100 4. Park unit on level surface, stop engine and remove key. 2.