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Maintenance(Continued)
,m
_E
WARNING
DONOT attempt any maintenance,adjustments or service
with engine and blade running. STOPengine 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. Bladesare extremely sharp and can
causesevere injury.
MowerBladeReplacement
Standard Blade Wear Limit
1. Inspect the blade (Figure 20) frequently for signs of
excessivewear or damage:
(A) New blade
(B) Wear limit (notch starts)
(C) Dangerous condition! Do not use on the mower!
Replacewith a new blade.
Figure 20: Standard blade wear limits
Ninja Blade Wear Limit
1. Inspect the blade (Figure 21) frequently for signs of
excessivewear or damage:
(A) New blade
(B) Wear limit (cracks or notches begin to appear on
tip)
(C) Dangerous condition! Do not use on the mower!
Replacewith a new blade.
WARNING
DONOT use a cutting bladethat shows signs of excessive
wear or damage. Refer to the Section entitled "MOWER
BLADEREPLACEMENT"for proper blade inspection and
service procedures.
Figure 21: Ninja blade wear fimits
BladeSharpening
1. Disconnect the spark plug wire and secure the end away
from the plug.
2. Tilt the mower up on its rear wheels. Do not tilt the
mower with the spark plug or carburetor down.
Important:Drain the fuel tank before tipping the mower. DO
NOTtip the machine with the carburetor or spark plug down.
Oil from the crankcasewill saturate the air filter and cause
the engineto be hard to start or not start at all. If
contamination does occur, the air filter will haveto be
replaced.
3. Remove the blade (B, Figure22).
Makesure that
bladehub is seatedI
[betweenfanges J
i
Figure 22: Removing the mower blade
12 www.snapper.com
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