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4
Installing the High-lift Blades
No Parts Required
Procedure
1. Install the first blade so that it is horizontal, along with
all mounting hardware as shown in Figure 3.
Note: Tighten the bolt with your fingers.
Important: Position the curved ends of the 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 block of wood, and turn the
blade bolt clockwise with a torque wrench as shown in
Figure 5; torque the blade bolt to 60 ft-lb (82 N-m).
Important: A bolt torqued to 60 ft-lb (82 N-m) is
very tight. Put your weight behind the wrench and
tighten the bolt securely. This bolt is very difficult
to overtighten.
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: The blades should be perpendicular, forming
an inverted "T" as shown in Figure 6.
g016537
Figure 5
1
1. Blade (2)
4. Tighten the second blade; refer to step 2.
5. Rotate the blades by hand a full 360° turn to ensure
that they do not touch.
Note: If the blades touch each other, they are not
mounted correctly. Repeat steps 1 through 3 until the
blades no longer touch each other.
WARNING
Incorrectly installing the blades could damage the
machine or cause an injury to the operator or to
bystanders.
3
g01
6536
Figure 6
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