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Service Mower - 19
SERVICE MOWER
Checking for Bent Mower Blades
1. Park machine safely. (See Parking Safely in the Safety
section.)
MIF
2. Measure distance (A) between blade tip and flat ground
surface.
3. Turn blade 180°. Measure distance between other blade
tip and flat ground surface.
4. Install new blade, if the difference between the two
measurements is more than 3mm (0.13 in.).
Replacing Mower Blades
MX15357
1. Use two long-handled 15/16 in. wrenches to loosen nut
(A).
2. Remove nut (A), blade bolt (B), three 1/4 in. washers (C)
and blade (D).
3. Install replacement blade:
• Blade wing must face toward top of mower deck.
• Install blade bolt (B), blade (D), three 1/4 in. washers
(C) and nut (A).
• Tighten blade nut to 81 N•m (60 lb-ft).
4. Lower machine.
5. Adjust mower deck to a desirable cutting height.
Sharpening Blades
• Sharpen blades with grinder, hand file or electric blade
sharpener.
MX8333
• Keep original bevel (A) when grinding.
• Blade should have 0.40 mm (1/64 in.) cutting edge (B)
or less.
• Balance blades before installing.
c CAUTION: Avoid injury! Mower blades are
sharp. Always wear gloves when handling
mower blades or working near blades.
c CAUTION: Avoid injury! Mower blades are
sharp. Always wear gloves when handling
mower blades or working near blades.
A
C
D
B
A
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 toward the blade.
c CAUTION: Avoid injury! Mower blades are
dangerous!
• Always wear gloves while working on
blades.
• Always wear safety eye protection when
grinding.
A
B