Manual
WARNING
DONOTattempt any maintenance,adjustments or service
with engine and blade running. STOPengine and blade.
Disconnect spark plug wire and secure away from spark
plug. Engineand components are HOT.Avoid serious
burns, allow sufficient time for all components to cool.
Wear heavy leathergloves when handling or working
around cutting blades. Bladesare extremely sharp and can
causesevere injury.
MowerBladeReplacement
StandardBladeWearLimit
1. Inspect the blade(Figure 15) 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 15: Mower blade wearfimits
WARNING
DONOTuse a cutting bladethat shows signs of excessive
wear or damage.Refer to the Section entitled "MOWER
BLADEREPLACEMENT"for proper blade inspection and
service procedures.
BladeSharpening
1. Disconnect the spark plug wire and securethe end away
from the plug.
2. Tilt the mower up on its rearwheels. 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 saturatethe air filter and cause
the engine to 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, Figure 16).
Makesure that
bladehub is seated
[betweenf anges
Figure 16: Removingthe mower blade
4. Sharpenthe bladeon a grinding wheel at an angle of 22
to 28 degrees (B, Figure 17). DO NOTsharpen the blade
beyond the original cutting edge(A).
5. Check bladefor balance.If necessary,correct balance by
grinding heavyend of blade.
6. Reinstall blade(B, Figure 16). Note the correct assem-
bly order:
(A) Blade hub
(B) Blade
(C) Bladeflange (facing up)
(D) Conewasher (concave side up)
(E) Capscrew
7. Checktorque of blade retaining cap screw.
Recommendedtorque should be 40 ft. Ibs.
Do not sharpen
beyond original
cutting edge
Endview of
bladeassembly
Figure 17: Sharpeningthe mower blade
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