With the FLANGE (8) locked in place with the HEX KEY (10), place the BLADE (2) on top of the FLANGE (8).
Place the SAFETY-STOP GUARD (7) on top of the BLADE (2). Use the LOCK-NUT (4) with the WRENCH (9) to secure the BLADE (2). The LOCK-NUT (4) must be tightened counter-clockwise.
Note: Part 5 (Washer) is a spare part for after-market blades.