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Section 4 - ADJUSTMENTS & REPAIR
4.5 MOWER BLADE REPLACEMENT
4.5.1. BLADE WEAR LIMITS
(Continued from previous page)
FIGURE 4.5
WARNING
DO NOT use a cutting blade that shows signs of
excessive wear or damage. Refer to Figure 4.5. Wear
heavy leather gloves when handling or working
around cutting blades. Blades are extremely sharp
and can cause severe injury.
4.5.2. BLADE SHARPENING
1. Remove blade. See Figure 4.6.
2. Inspect condition of blade.
See Figure 4.5.
3. If blade is in good condition, sharpen at
22 to 28 degrees. DO NOT sharpen beyond
existing cutting edge.
See Figure 4.7.
4. Check blade balance after sharpening.
If necessary, correct blade balance by
grinding
IMPORTANT: Blade balancing should be
performed by a qualified dealer.
5. Reinstall blade. See Figure 4.5. Torque
blade mounting bolts to recommended
range of 70 to 80 ft. lbs.
NEW BLADE
WEAR LIMIT
(NOTCH STARTS)
DANGEROUS CONDITION!
DO NOT USE ON MOWER!
REPLACE WITH NEW BLADE.
the
heavy
end
of
(4) BLADE
SPACERS
MOUNTING
BOLT
DO NOT SHARPEN
BEYOND ORIGINAL
CUTTING EDGE
BLADE
blade.
21
BEVELED
WASHER
FIGURE 4.6
22º TO 28º
BLADE TIP
ORIGINAL CUTTING EDGE
FIGURE 4.7
AIR LIFT
BLADE
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