Husqvarna LC221A Operation Manual - Page 26

MAINTENANCE • Remove the blade bolt by turning the bolt counterclockwise. Remove blade and attaching hardware: bolt, lock washer and hardened washer. • Remove all 3 idler pulleys from idler assembly. • Remove belt from blade adapter / engine pulley and idler assembly. • Remove the Mulching plug. • Remove rear baffle. • Remove the belt cover and the stripper. • Disconnect cable from rear transmission. • Remove front belt keeper. • Remove belt from front transmission pulley. 26 - English • Remove rear transmission pulley by clamping locking pilers to the input shaft of the transmission, beneath pulley, and loosen the pulley with a 9/16" box wrench. • Remove the old drive belt. Replace the drive belt. IMPORTANT! Always use genuine parts. • Place new belt on rear transmission pulley. Be sure the new belt is inside the tabs of the belt keeper. • Reinstall rear transmission pulley. Route the other end of the new belt through hole in housing to front transmission pulley. Route new belt through idler assembly to blade adapter / engine pulley. • Reinstall all 3 idler pulleys. • Position the blade adapter / engine pulley on the engine crank shaft. Be sure key in blade adapter / engine pulley and crankshaft keyway are aligned and that the new belt is inside the tab of the belt retainer. Install new belt on front transmission pulley. • Reinstall front belt keeper. Make sure the new belt is inside the front belt keeper. • Reinstall drive cover. • Reattach cable to rear transmission and reattach return spring to rear baffle / rear transmission belt keeper. • Reinstall rear baffle. • Reinstall the blade. See instructions in the section "Replacing the blades". • Tighten spark plug.