68 20’ Predator
BLADE SERVICING
Inspect blade before each use to determine that they are properly installed and in good condition.
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Blade Sharping
Always sharpen both blades at same time to maintain balance. Follow original sharpening pattern as
shown in FIGURE 3. Always sharpen blades by grinding. DO NOT heat and pound out edge. Do not
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IMPORTANT:
When sharpening blades, grind each blade the same amount to maintain balance. The difference in
blade weights should not exceed 1 ounce. Unbalanced blades will cause excessive vibration which
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must be serviced while in the raised position.
FOLLOW ORIGINAL PATTERN
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