Use and Care Manual

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Mower deck with side discharge used for illustration
3. Measure distance (A) between blade tip and at ground surface.
4. Rotate blade 180° and measure distance between other blade tip
and at ground surface.
5. Install new blade if the difference between the two measurements
is more than 3 mm (1/8 in.).
6. Repeat for all blades.
Servicing Mower Blades
CAUTION: Rotating blades are dangerous. Before adjusting
or servicing mower:
Disconnect spark plug wire(s) or battery negative (-) cable to
prevent engine from starting accidentally.
Always wear gloves when handling mower blades or
working near blades.
Removing Mower Blades
1. Park machine safely. (See Parking Safely in SAFETY section.)
2. Raise mower deck to gain access to mower blades. If necessary,
remove mower deck.
3. Block mower blade with a piece of wood to prevent it from spinning.
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4. Loosen and remove nut (A), washer (B), and blade (C).
5. Inspect blades; sharpen, balance or replace blades as necessary.
Installing Mower Blades
1. Position mower blade (C) with the cutting edge towards the ground.
2. Align the splined center hole in the blade with the splined spindle
shaft (D) and put the blade onto the mower spindle shaft.
3. Install washer, with cupped side towards blade, and install nut to
secure blade onto splined spindle shaft.
4. Block mower blade with a piece of wood to prevent spinning and
tighten nut:
5. Using 15/16 in. socket, tighten 5/8 in. blade nut to specications.
Specication
Mower Deck Blade Nut — Torque. . . . . . . . . . . . . . . . . . . . . . . . . . . 88 N·m (65 lb-ft)
Sharpening Blades
CAUTION: Blades are sharp. Always wear gloves when
handling blades or working near blades.
Always wear safety eye protection when grinding.
• Sharpen blades with grinder, hand le, or electric blade sharpener.
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• Keep original bevel (A) when grinding.
• The blade cutting edge (B) should meet specications.
Specication
Mower Blade Cutting Edge — Distance. . . . . . . . . . . . . . . . . . . . . . . 0.40 mm (1/64 in.)
• Balance blades before installing.
Balancing Blades
CAUTION: Blades are sharp. Always wear gloves when
handling blades or working near blades.
1. Clean blade.
Service Mower
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