18
MAINTENANCE
BLADE ALIGNMENT
Check Blade tension:
1. Remove the black back cover and make sure the blade is
properly aligned on both wheels.
2. Adjust the blade tension until the blade sits properly cen-
tered (or does not move) on both wheels during operation
Check Blade Guard:
Without the left blade guard, there is a twist on the blade
due to the way it sits on the two wheels and how it is as-
sembled. This is unavoidable (Fig. 27).
Blade Guard:
Arrows show the direction the bearings can be adjusted.
Using the Blade Guard to Straighten the Blade:
1. Loosen the nut on the left blade guard (Fig. 29).
2. Adjust the blade guard (Fig. 30).
The rear bearing will be in contact with the blade (Fig. 31).
NOTE: It is important to twist/adjust the blade guard in the
direction as shown in figure 30. Because of how the blade
is positioned on the wheels, this will help prevent the blade
from sliding off of the wheel during operation.
3. Adjust the thrust bearing so that it is in contact with the
blade (Fig. 32).
NOTE: If the blade still continues to slip off the wheels,
check if the right blade guard is causing any unnecessary
twist on the blade.
Fig. 27
Fig. 28
THRUST BEARINGTHRUST BEARINGTHRUST BEARING
SIDE
SIDE
BEARINGBEARING
SIDE
BEARING
Fig. 29
Fig. 30 Fig. 31 Fig. 32
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