Blade Maintenance
Maintaining the Cutting
Blade
Alw a ys mo w with a shar p blade . A shar p blade
cuts cleanly and without tearing or shredding the
g rass blades .
1. Stop the engine and w ait for all mo ving par ts
to stop .
2. Disconnect the wire from the spark plug .
3. Drain the g asoline from the fuel tank; refer
to Emptying the Fuel T ank and Cleaning the
Fuel Filter .
4. Tip the mo w er onto its right side ( Figure 31 ).
Figure 31
1. Blade 3. Accelerator
2. Blade bolt and lock washer
Inspecting the Blade
Carefully examine the blade for shar pness and
w ear , especially where the flat and the cur v ed par ts
meet ( Figure 32 A). Because sand and abrasi v e
material can w ear a w a y the metal that connects the
flat and cur v ed par ts of the blade , c hec k the blade
before using the la wn mo w er . If y ou notice a slot
or w ear ( Figure 32 B and Figure 32 C), re place the
blade; refer to R emo ving the Blade .
Figure 32
1. Sail
3. Wear
2. Flat part of the blade 4. Slot formed
Note: F or the best perfor mance , install a new
blade before the cutting season begins . During
the year , file do wn any small nic ks to maintain the
cutting edg e .
A w or n or dama ged blade can br eak, and a
piece of the blade could be thr o wn into the
operator’ s or bystander’ s ar ea, r esulting in
serious per sonal injur y or death.
• Inspect the blade periodicall y f or w ear
or dama ge.
• R eplace a w or n or dama ged blade.
Removing the Blade
Grasp the end of the blade using a rag or a thic kly
padded glo v e . R emo v e the blade bolt, the loc k
w asher , the accelerator , and the blade ( Figure 31 ).
Sharpening the Blade
File the top side of the blade to maintain its
original cutting angle ( Figure 33 A) and inner
cutting edg e radius ( Figure 33 B). T he blade will
remain balanced if y ou remo v e the same amount
of material from both cutting edg es .
Figure 33
1. Sharpen at this angle only. 2. Maintain the original radius
here.
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