Husqvarna MZ 52 Owners Manual - Page 41

Cutting Blades, Blade Replacement

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MAINTENANCE 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 when hitting obstacles. Let the service workshop decide whether a blade with large nicks can be repaired/ground or must be replaced. Balance the blades after sharpening. Check the blade mounts. Blade Replacement WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. IMPORTANT INFORMATION The sharpening of blades should be carried out by an authorized service workshop. 3 1. Remove blade bolt by turning counterclockwise. 2. Install new or re-sharpened blade with stamped 1 GRASS SIDE facing towards ground/grass (down) or THIS SIDE UP facing deck and cutter housing. 2 3. Install and tighten blade bolt securely. 4. Torque blade bolt to 45-55 ft-lbs (60-75 Nm). 1. Blade 2. Blade bolt (special) 3. Cutter housing Blade attachment IMPORTANT INFORMATION Special blade bolt is heat treated. Replace with a Husqvarna bolt if required. Do not use lower grade hardware than specified. WARNING! Before performing any service or adjustment checklist: • Engage the parking brake. • Place the Blade switch in the disengaged position. • Turn ignition switch to OFF position and remove the key. • Make sure the blades and all moving parts have completely stopped. 41

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2
3
1
MAINTENANCE
41
IMPORTANT INFORMATION
The sharpening of blades should be carried
out by an authorized service workshop.
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 when
hitting obstacles.
Let the service workshop decide whether a blade
with large nicks can be repaired/ground or must be
replaced. Balance the blades after sharpening.
Check the blade mounts.
Blade Replacement
1.
Remove blade bolt by turning counterclockwise.
2.
Install new or re-sharpened blade with stamped
GRASS SIDE facing towards ground/grass (down)
or THIS SIDE UP facing deck and cutter housing.
3.
Install and tighten blade bolt securely.
4.
Torque blade bolt to 45-55 ft-lbs (60-75 Nm).
1.
Blade
2.
Blade bolt (special)
3.
Cutter housing
Blade attachment
IMPORTANT INFORMATION
Special blade bolt is heat treated.
Replace with a Husqvarna bolt if required.
Do not use lower grade hardware than
specified.
WARNING!
Before performing any service or
adjustment checklist:
•
Engage the parking brake.
•
Place the Blade switch in the
disengaged position.
•
Turn ignition switch to OFF position
and remove the key.
•
Make sure the blades and all moving
parts have completely stopped.
WARNING!
Blades are sharp. Protect your hands
with gloves and/or wrap blades with
a heavy cloth when handling.