McCulloch ZM4619 BF, Operator'S Manual

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41
MAINTENANCE
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IMPORTANT INFORMATION
Special blade bolt is heat treated.
Replace with a McCulloch bolt if required.
Do not use lower grade hardware than
specified.
8058-129
1. Blade
2. Blade bolt (special)
3. Spindle housing
Blade attachment
Cutting Blades
To attain the best mowing effect, it is important that
blades are well sharpened and not damaged.
Replace blades that have been bent or cracked by
hitting obstacles.
Let the service workshop decide whether the blade
can be repaired/ground or must be replaced. Balance
the blades after sharpening.
Check the blade mounts.
8058-166
Check the blades
Blade replacement
1. Remove blade bolt by turning counterclockwise.
2. Install new or resharpened blade with stamped
GRASS SIDE facing towards ground/grass
(down) or THIS SIDE UP facing deck and spindle
housing.
3. Seat the blade opening firmly onto the spindle
housing.
4. Tighten blade bolt securely.
5. Torque blade bolt to 45-55 ft/lbs (60-75 Nm).
WARNING!
Blades are sharp. Protect your hands
with gloves and/or wrap blades with a
heavy cloth when handling.
The sharpening of blades should be
carried out by an authorized service
workshop.