Removing The Blades; Installing The Blades - Toro TimeMaster 21200 Operator's Manual

Removing the Blades

Replace the blades when the machine hits a solid
object or when a blade is out of balance or bent. Use
only genuine Toro replacement blades.
1. Use a block of wood to hold each blade steady
and turn the blade bolt counterclockwise as
shown in Figure
Figure 40
2. Remove each blade as shown in
Figure 41
1. Spindle (2)
2. Blade driver (2)
3. Inspect the pins on the blade drivers for wear
and damage.
40.
Figure
3. Blade (2)
4. Blade bolt (2)

Installing the Blades

1. Install the first blade so that it is horizontal, along
with all mounting hardware as shown in
41.
Note:
Important:
blades to point toward the machine housing.
Be sure to nest the raised areas on each
blade driver with the recesses in the head of
its corresponding spindle, and the pins on
the other side of each blade driver with the
holes in its corresponding blade.
2. Steady each blade with a board and turn the
blade bolt clockwise with a torque wrench as
shown in
N∙m (60 ft-lb).
Important:
ft-lb) is very tight. Put your weight behind
the wrench and tighten the bolt securely.
This bolt is very difficult to overtighten.
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41.
g016530
3. Rotate the installed blade 1/4 turn until it is
vertical, and install the other blade in the same
manner as the first (refer to step 1).
Note:
forming an inverted "T" as shown in
31
Tighten the bolt with your fingers.
Position the curved ends of the
Figure 42; torque the blade bolt to 82
A bolt torqued to 82 N∙m (60
Figure 42
The blades should be perpendicular,
Figure
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Figure 43.