Section 4 - REPAIR & ADJUSTMENTS
WARNING
DO NOT attempt any maintenance, adjustments or
service with engine and blade running. STOP engine
and blade. Disconnect spark plug wire and secure
away from spark plug. Engine and components are
HOT. Avoid serious burns, allow sufficient time for all
components to cool. Wear heavy leather gloves when
handling or working around cutting blades. Blades
are extremely sharp and can cause severe injury.
4.1 MOWER BLADE REPLACEMENT
4.1.1. STANDARD BLADE WEAR LIMIT
1. Inspect blade frequently for signs of excessive wear
or damage. See 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 & 4.1A. Replace with new
blade.
WARNING AI
DO NOT use a cutting blade that shows signs of I
excessive wear or damage. Refer to Section I
"MOWER BLADE REPLACEMENT" for proper blade I
inspection and service procedures. I
4.1.2. BLADE SHARPENING
1. Disconnect spark plug wire and secure end away
from plug.
IMPORTANT: DO NOT tip machine with carburetor or
FIGURE 4.1
4.1.1A. NINJA BLADE WEAR LIMIT
1A. nspect blade frequently for signs of excessive
wear or damage. See Figure 4.2.
NEW BLADE WEAR LIMIT,
CRACKS OR
NOTCHES
""_"_//:,_;:_-:b._'_ "_ _ _k BEGIN TO
\\ - ...-_
",._) DO NOT USE A BLADE IN
THIS CONDITION !
FIGURE 4.3
FIGURE 4.2
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