Sharpening - Sears 987.889 Owner's Manual

SERVICE AND ADJUSTMENTS
MOWERBLADES
Examine mower blades before op-
eration. For efficient mowing, cut-
ting edges of blades should al-
ways be kept sharp. Check for
blade wear or damage. See Fig- "
ure 5-16. Replace a severely worn
or damaged blade with a new one.
WARNING
Mower bladesare sharp.
• When workingnear blades,
wear heavy leather gloves or
wrap blades in thick rags to
protect yourself from the
sharp edges.
• Wear eye protection when
sharpeningblades,
To InspectBlades
1. Stop engine, wait for all parts
to stop moving, and disconnect
spark plug wire.
2. Tip mower on rear wheels by
following instructions "Tipping
Mower For Service" in this Section
of Manual.
To Remove Blade
Remove bolt (Figure 5-18) and
washer(s). Remove mower blade.
BladeSharpening
Grind or file the same amount
from each blade end to maintain
blade balance. An unbalanced
mower blade produces excessive
• vibration and may damage spindle
bearings. Sharpen cutting edge
• straight across, parallel to rear
edge of mower blade. See Figure
5-16. After sharpening, blade bal-
ance must be checked.
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Figure 5-15: Transmission neutral (IV) adjustment.
Replace if separation
beginst_o form.
__l-S/S./4 cm
SharpenedBlade
Sharpen blade cutting edgestraight
across, parallel to blade trai/ing edge.
Figure 5-16: Blade Inspection.
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