Husqvarna LC221Ai Operator's Manual page 21

4 Use a wood block between blade and mower housing
to prevent blade from turning when removing blade
bolt.
5 Remove the blade bolt by turning the bolt counter-
clockwise.
6 Remove the old blade. Make sure the blade adapter is
free of damage. Also check that the blade bolt is
undamaged and that the engine shaft is not bent.
IMPORTANT! Use only a replacement blade approved
by the manufacturer of your mower. Using a blade not
approved by the manufacturer of your mower is
hazardous, could damage your mower and void your
warranty.
Assembly:
1 Position the blade adapter on the engine crank shaft.
Be sure key in adapter and crankshaft keyway are
aligned and that the drive belt is inside the tab of the
belt retainer.
2 The blade must be mounted with the angled ends
pointing up towards the engine.
MAINTENANCE
3 Install the blade bolt with the lock washer and
hardened washer into blade adapter and crankshaft.
4 Use block of wood between blade and lawn mower
housing and tighten the blade bolt, turning clockwise.
5 The bolt should be tightened with a torque of 35-40 ft.
Ibs. / 47-54 Nm.
6 Pull the blade around by hand and make sure it
rotates freely.
IMPORTANT!
Always exercise care and use your common sense.
Avoid all situations which you consider to be beyond
your capability. If you still feel uncertain about operating
procedures after reading these instructions, you should
consult an expert before continuing. Contact an
authorized service workshop.
Always use genuine parts.
–
English 21