Husqvarna EZ4216HO, EZ4217KAA, EZ4217KAA, EZ4822BI, EZ4822BI, EZ5221KAA, EZ5424BI Operator's Manual page 52

Blade replacement:
WARNING!
Blades are sharp. Protect your
hands with gloves and/or wrap
blades with a heavy cloth when
handling.
• Remove blade bolt by turning
counterclockwise.
IMPORTANT INFORMATION
To ensure proper assembly, center hole in
blade must align with star on cutter
housing.
• Install new or re-sharpened blade with
stamped "GRASS SIDE" facing towards
ground/grass (down) or "THIS SIDE UP"
facing deck and cutter housing.
• Install and tighten blade bolt securely.
Torque blade bolt to 45-55 ft/lbs
(60-75 Nm).
IMPORTANT INFORMATION
Special blade bolt is heat treated.
Replace with a Husqvarna bolt if required.
Do not use lower grade hardware than
specified.
50
English-
MAINTENANCE
1. Blade
2. Center hole
3. Star
4. Cutter housing
5. Blade bolt (special)
Blade attachment, principal
8011-671