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6. Compare the measurements of the outer blades with
the center blade. The center blade must not be more
than 10 mm (3/8 inch) lower than the outer blades. If
the center blade is more than 10 mm (3/8 inch) lower
than the outer blades, proceed to step 7 and add shims
between the spindle housing and the bottom of the
cutting unit.
7. Remove the bolts, flat washers, lock washers, and nuts
from the outer spindle in the area where the shims
must be added. To raise or lower the blade, add a shim,
Part No. 3256-24, between the spindle housing and
the bottom of the cutting unit. Continue to check the
alignment of the blades and add shims until the tips of
the blades are within the required dimension.
Important: Do not use more than three shims at
any one hole location. Use decreasing numbers of
shims in adjacent holes if more than one shim is
added to any one hole location.
8. Adjust the idler pulley and install the belt covers.
Cab Maintenance
Cleaning the Cab Air Filters
Service Interval: Every 250 hours (Replace them if they are
torn or excessively dirty.)
1. Remove the thumb screws and grates from over both
the in-cab and rear cab air filters (Figure 88).
3
2
1
3
1. Thumb screw
2. Grate
2. Clean the filters by blowing clean, oil free, compressed
air through them.
Important: If either filter has a hole, tear, or other
damage, replace it.
3. Install the filters and grate, securing them with the
thumb screws.
57
G009265
2
1
G009266
Figure 88
3. Air filter
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