Husqvarna LC221A Operator's Manual page 26

• Remove the blade bolt by turning the bolt counter-
clockwise. Remove blade and attaching hardware:
bolt, lock washer and hardened washer.
• 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
MAINTENANCE
• Remove all 3 idler pulleys from idler assembly.
• Remove belt from blade adapter / engine pulley and
idler assembly.
• 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.