Blade Replacement; Gear Case - Husqvarna W21K, W21SK, W21SBK, W53SBEK, W53SEK, W21KC, W21SKC, W21SBKC Operator's Manual

Blade replacement:

WARNING!
The blade is sharp. Protect
your hands with gloves and /
or wrap the blade 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 resharpened 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 Husqvarna bolt if required.
Do not use lower grade hardware than
specified.

Gear Case

• To keep our drive system working
properly, the gear case and area around
the drive should be kept clean and free of
trash build-up. Clean under the drive
cover twice a season.
• The gear case is filled with lubricant to
the proper level at the factory. The only
time the lubricant needs attention is if the
service has been performed on the gear
case.
37
English-
MAINTENANCE
2
5
Blade assembly
3
1
6
4
1. Blade
2. Blade Adapter
3. Key
4. Lockwasher
5. Blade Bolt
6. Hardened Washer
8019-036