Operator's Manual

Figure 33

1. Blade 3. Accelerator

2. Blade nuts 4. Anti-scalp cup

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 34 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 34 B and Figure 34 C), re place the

blade; refer to R emo ving the Blade .

Figure 34

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 n uts ,

the anti-scalp cup , the accelerator , and the blade

( Figure 33 ).

Sharpening the Blade

File the top side of the blade to maintain its

original cutting angle ( Figure 35 A) and inner

cutting edg e radius ( Figure 35 B). T he blade will

remain balanced if y ou remo v e the same amount

of material from both cutting edg es .

Figure 35

1. Sharpen at this angle only. 2. Maintain the original radius

here.

Balancing the Blade

1. Chec k the balance of the blade b y placing

the center hole of the blade o v er a nail or

screw dri v er shank clamped horizontally in a

vise ( Figure 36 ).

Figure 36