SERVICE MOWER
Checking for Bent Mower Blades
cCAUTION: Avoid injury! Mower blades are sharp. Always wear gloves when handling mower blades or working near blades.
1.Park machine safely. (See Parking Safely in the Safety section.)
A
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
cCAUTION: Avoid injury! Mower blades are sharp. Always wear gloves when handling mower blades or working near blades.
A
C
D
B
MX15357
1.Use two
(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.
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.
•Install blade bolt (B), blade (D), three 1/4 in. washers
(C) and nut (A).
•Tighten blade nut to 81 N•m (60
4.Lower machine.
5.Adjust mower deck to a desirable cutting height.
Sharpening Blades
cCAUTION: Avoid injury! Mower blades are dangerous!
•Always wear gloves while working on blades.
•Always wear safety eye protection when grinding.
•Sharpen blades with grinder, hand file or electric blade sharpener.
A
B
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.
Service Mower - 19