EN - 21
Sharpen Blades
1. Remove blades from unit. Discard blades
if:
• More than 1.3 cm (1/2") of metal is
removed.
• Air lifts are eroded.
• Blades are bent or broken.
2. File or grind an equal amount of material
from each cutting edge of the blade until
sharp. DO NOT change angle of cutting
edge or round the corner of the blade.
3. Check blade balance by sliding blade on
an unthreaded bolt. If blade does not
remain horizontal, sharpen the heavy end
until blade is balanced.
Install Blades
1. Reinstall blades, washers and nuts on
spindles. See Figure 22.
2. Torque bolts to 136 – 163 N•m
(100 – 120 lbf-ft).
CHECK BATTERY
CAUTION:
DO NOT sharpen
blades while attached to unit.
Figure 22
1. Spindle
2. Mower Blade
3. Washer
4. Nut
CAUTION:
Unbalanced blades
cause excessive vibration and
eventual damage to unit.
Balance blades before
reinstalling on unit.
NEVER weld or straighten
blades.
WARNING:
Battery posts,
terminals and related
accessories contain lead and
lead compounds, chemicals
known to the State of California
to cause cancer and
reproductive harm. Wash hands
after handling.
Figure 23
1. Unsharpened Cutting Edge
2. Sharpened Cutting Edge
3. 0 – 1.3 cm (0 – 1/2") Recession
4. Air Lift Erosion Area
Summary of Contents for IKON X 42
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