GB - 28
Replacing Mower Blades
1. Remove blade bolt (A), three 1/4 in. washers (C) and blade
(B).
2. Install replacement blade:
• Blade wing must face toward top of mower deck.
• Install blade bolt (A), blade (B) and three 1/4 in. washers (C).
• Tighten blade bolt to 163 N•m (120 lb-ft).
3. Lower machine.
4. Adjust mower deck to a desirable cutting height.
Sharpening Blades
• Sharpen blades with grinder, hand file, or electric blade
sharpener.
MIF
• Keep original bevel (A) when grinding.
• Blade should have 0.40 mm (1/64 in.) cutting edge (B) or less.
• Balance blades before installing.
Balancing Blades
1. Clean blade.
M61524
2. Put blade on nail in a vise. Turn blade to horizontal position.
3. Check balance. If blade is not balanced, heavy end of blade
will drop.
4. Grind bevel of heavy end. Do not change blade bevel.
Service Electrical
Service the Battery Safely
IMPORTANT: IMPORTANT: Avoid Damage! When installing
the blade:
• Make sure the blade is properly seated on the spindle.
• Make sure the concave side of the large washer faces
towards the blade.
CAUTION: Avoid injury! Mower blades are dangerous!
Always wear gloves while working on blades.
Always wear safety eye protection when grinding.
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%
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A
B
CAUTION: Avoid injury! Mower blades are sharp.
Always wear gloves when handling mower blades or
working near blades.
WARNING: Battery posts, terminals and related
accessories contain lead and lead components,
chemicals known to the State of California to cause
cancer and reproductive harm. Wash hands after
handling.
