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.
Before Inspecting or Servicing the
Blades
P ark the mac hine on a lev el surface , diseng ag e the
blade control switc h, and mo v e the motion control
lev ers to the brak e position. Stop the engine ,
remo v e the k ey , and disconnect the spark plug
wire(s) from the spark plug(s).
Inspecting the Blades
1. Inspect the cutting edg es ( Figure 36 ). If the
edg es are not shar p or ha v e nic ks , remo v e and
shar pen the blades; refer to Shar pening the
Blades .
2. Inspect the blades , especially the cur v ed area
( Figure 36 ). If y ou notice any damag e , w ear , or
a slot for ming in this area (item 3 in Figure 36 ),
immediately install a new blade .
Figure 36
1. Cutting edge 3. Wear/slot forming
2. Curved area
Checking for Bent Blades
1. R otate the blades until the ends face forw ard
and bac kw ard ( Figure 37 ). Measure from a
lev el surface to the cutting edg e , position A , of
the blades ( Figure 37 ). Note this dimension.
Figure 37
2. R otate the opposite ends of the blades forw ard.
3. Measure from a lev el surface to the cutting
edg e of the blades at the same position as in
ste p 1 . T he difference betw een the dimensions
obtained in ste ps 1 and 2 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. R efer 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 ,
blade stiffener , and blade from the spindle shaft
( Figure 38 ).
29
To Next Page
Loading...
