EasyManua.ls Logo

Toro 74402 - Inspecting the Blades; Removing the Blades

Toro 74402
44 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
Before Inspecting or Servicing the
Blades
P ark the mac hine on a lev el surface , diseng ag e the
PTO , 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 38 ). 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 38 ). If y ou notice any damag e , w ear , or
a slot for ming in this area (item 3 in Figure 38 ),
immediately install a new blade .
Figure 38
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 39 ). Measure from a lev el
surface to the cutting edg e , position A , of the
blades ( Figure 39 ). Note this dimension.
Figure 39
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 40 ).
Figure 40
1. Sail area of blade 4. Blade bolt
2. Blade 5. Blade stiffener
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 .
30

Table of Contents

Related product manuals