Figure 39
4. R otate the opposite ends of the blades forw ard.
5. Measure from a lev el surface to the cutting
edg e of the blades at the same position as
in ste p 3 abo v e . T he difference betw een the
dimensions obtained in ste ps 3 and 4 m ust not
ex ceed 1/8 inc h (3 mm). If this dimension
ex ceeds 1/8 inc h (3 mm), the blade is bent
and m ust be re placed; refer to R emo ving the
Blades and Installing the Blades .
A blade that is bent or dama ged could
br eak apar t and could seriousl y injur e or
kill y ou or bystander s.
• Al w ays r eplace bent or dama ged
blade with a new blade.
• Nev er file or cr eate shar p notches in
the edges or surf aces of blade.
Removing the Blades
T he blades m ust be re placed if a solid object is
hit, if the blade is out of balance , or the blade
is bent. T o ensure optim um perfor mance and
contin ued safety confor mance of the mac hine , use
g en uine T oro re placement blades . R e placement
blades made b y other man ufacturers ma y result in
non-confor mance with safety standards .
Hold the blade end using a rag or thic kly-padded
glo v e . R emo v e the blade bolt, cur v ed w asher ,
stifener and blade from the spindle shaft
( Figure 40 ).
Figure 40
1. Sail area of blade 4. Blade bolt
2. Blade 5. Stifener
3. Curved washer
Sharpening the Blades
1. Use a file to shar pen the cutting edg e at both
ends of the blade ( Figure 41 ). Maintain the
original angle . T he blade retains its balance if
the same amount of material is remo v ed from
both cutting edg es .
Figure 41
1. Sharpen at original angle
2. Chec k the balance of the blade b y putting it on
a blade balancer ( Figure 42 ). If the blade sta ys
in a horizontal position, the blade is balanced
and can be used. If the blade is not balanced,
re peat the shar pening procedure on the hea vier
side until the blade is balanced.
Figure 42
1. Blade 2. Balancer
Installing the Blades
1. Install the blade onto the spindle shaft with the
stiffener ( Figure 40 ).
31
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