4848SpacerSpacerFront roller17 special nutDethatchingblade[16] Adjusting the front groomer3) Finally, insert the 17 special nut (Groomer Blade Lock-ing nut) [8-76], secure it with the hollow set [8-71], andlock it with the lock nut [8-72].* Please do not tightened to much power.(Torque = 5~10 N m)4) Install it in the vertical gear case [8-47] in the reverseorder that it was disassembled.* Apply enough grease to the gear’s tooth surface andthe needle bearings before installing the cover.(Referto the Parts Catalog.)5) Install the left vertical housing [8-63].* Please refer to #1 ~ #5 of Equipped with the groom-er section on page 21 for installing the dethatchingblades to the main unit.After the front groomer is installed on the main unit, makesure that the two dethatching blades go into each grooveon the front roller.* When adjusting the groomer to the front roller, firststart by adjusting with the 17 special nut [8-76] first. Ifthis does not give you the required clearances, thenuse the spacers [8-24] provided to every space theblades between the groomers on the roller.