Section 5 - ADJUSTMENTS & REPAIR
5.8 ENGINE ADJUSTMENTS & REPAIR
Refer to the engine owner's manual for engine
adjustments and/or repairs.
5.9 MOWER BLADE REPLACEMENT
5,9,1. BLADE WEAR LIMITS
1. Inspect blade frequently for signs of excessive
wear or damage. Replace blade when it reaches the
wear limit. See Figure 5.14.
5.9.2. BLADE SHARPENING
1. Remove blade. See Figure 5.15.
2. Inspect condition of blade. See Figure 5.14.
3. If blade is in good condition, sharpen at 22 to 28
degrees. DO NOT sharpen beyond original cutting
edge. See Figure 5.16.
4. Check blade balance after sharpening. If
necessary, correct blade balance by grinding the
heavy end of blade.
IMPORTANT: Blade balancing should be performed by
a qualified dealer.
5, Reinstall blade. See Figure 5.15. Torque blade
mounting nuts to recommended range of 70 to 80
ft. Ibs.
NEW BLADE_
BLADE
\
SPINDLE
ASSEMBLY
CONE
WASHER
BLADE
MOUNTING
NUT
FIGURE 5.15
22° TO 28 °
ORIGINAL CUTTING EDGE
WEAR LIMIT
-_ (NOTCH STARTS)
__............,_ DANGEROUS CONDITION[
DO NOT USE ON MOWER!
REPLACE WITH NEW BLADE.
FIGURE 5.16
FIGURE 5.14
24
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