Toro TimeCutter Z4220 Operator's Manual page 35

Measure from the tip of the blade to the flat surface
here.,
Figure 40
1 Blade, in position for measuring
2. Level surface
3, Measured distance between blade and surface (A)
J
Figure 42
1,. Opposing blade edge, in position for measuring
2,, Level surface
3., Second measured distance between blade and surface (B)
.
S.
Rotate the same blade 180 degrees so that the
opposing cutting edge is now in the same position.
Figure 41
I. Blade, side previously measured
2, Measurement position used previously
3, Opposing side of blade being moved into measurement
position
Measure from the tip of the blade to the flat surface
here, The variance should be no more than 1/8 inch
(3n- n) o
A blade that is bent or damaged could break
apart and could seriously injure or kill you or
bystanders.
° Always replace bent or damaged blade with
a new blade°
° Never file or create sharp notches in the
edges or surfaces of blade.
a.
B
If the difference between A and B is greater
than 1/8 inch (3rmm) replace the blade with a
new blade. Refer to Removing the Blades and
InstalIing the Blades..
Note: Ifa bent blade is replaced with a new one
and the dimension obtained continues to exceed
1/8 inch (3rm-n), the blade spindle could be bent.
Contact an Audaorized Toro Dealer for service.
If the variance is within constraints, move to the
next blade_,,
Repeat this procedure on each blade.
Removing the Blades
The blades must be replaced if a solid object is hit,
if the blade is out of balance, or the blade is bent.
To ensure optimum performance and continued
safety conformance of the machine, use genuine Toro
replacement blades. Replacement blades made by other
manufacturers may result in non-conformance with
safety standards.
Hold the blade end using a rag or thiddy-padded glove..
Remove the blade bolt, curved washer, blade stiffener,
and blade from the spindle shaft (Figure 43)..
35