2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 303Get this manual
NOTE: There will be tendency for the handle to rotate clockwise approximately turn as the spring holder clears the flats or hubThis is due to slight counterclockwise preload on the spring CF091
8Release the preload slowly; then continue to relax the spring until the wing nut is flush with the end of the threads9Firmly holding the spring and spring holder, remove the wing nut; then remove the springCD056
Inspecting 1Inspect the pulley faces for wear, galling, or grooving2Inspect the O-rings on the movable face for nicks, tears, or swelling