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Section 4 - REPAIR & ADJUSTMENTS
WARNING
Before attempting any adjustments or repairs, STOP
the engine, remove the spark plug wire from the
spark plug and secure wire away from plug. Wear
heavy leather gloves when handling or working
around cutting blades. Blades are extremely sharp
and can cause severe injury.
4.1 MOWER BLADE REPAIR/REPLACEMENT
4.1.1. STANDARD BLADE WEAR LIMIT
1. Inspect blade frequently for signs of excessive wear
or damage. See Figure 4.1.
MAKE SURE THAT
BLADE HUB IS
SEATED
CONDITION !
_EON
....... MOWER
REPLACE WITH NEW
BLADE.
FIGURE 4.1
2. Replace the blade if it is badly chipped, bent,
noticeably out of balance or has cracks or notch in
either tip. See Figure 4.1. Replace with new blade.
WARNING
Never use a cutting blade that shows signs of I
excessive wear or damage. Refer to Section on l
MOWER BLADE REPAIR/REPLACEMENT for proper l
blade inspection and service procedures. {
4.1.2. BLADE SHARPENING
1. Disconnect spark plug wire and secure end away
from plug.
2. Tilt mower up on its rear wheels. Do not tilt
mower with spark plug or carburetor down.
3. Remove blade. See Figure 4.2.
FIGURE 4.2
4. Sharpen blade on a grinding wheel at an angle of
22 to 28 degrees DO NOT sharpen blade beyond
original cutting edge See Figure 4.3.
DO NOT SHARPEN
BEYOND ORIGINAL
CUTTING EDGE
//" ORIGINAL CUTTING EDGE
FIGURE 4.3
5. Check blade for balance. If necessary, correct
balance by grinding heavy end of blade.
6. Reinstall blade. Refer to Figure 4.2. Check torque
of blade retaining cap screw. Recommended torque
should be 30 to 40 ft. Ibs.
12
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