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8. To ease measuring blade plane, raise the height of
cut to the highest position; refer to Adjusting the
Height of Cut.
9. Lower cutting units onto the flat surface. Remove
the covers from the top of the cutting units.
10. Loosen the flange nut, securing the idler pulley, to
release the belt tension on each cutting unit.
Front Cutting Unit Setup
Rotate blade on each spindle until the ends face forward
and backward. Measure from the floor to the front
tip of the cutting edge. Adjust 1/8 inch shims on
front castor fork(s) to match height of cut to decal
(Figure 28); refer to Adjusting the Cutting Unit Pitch.
Figure 28
1. Tensioning cap
2. Spacers
3. Shims
Side Cutting Unit Setup
Rotate blade of each spindle until the ends face forward
and backward. Measure from the floor to the front
tip of the cutting edge. Adjust 1/8 inch shims on
front castor arm(s) to match height of cut to decal
(Figure 29). For the outside blade spindle only, refer to
Adjusting the Cutting Unit Pitch.
4. Top axle mounting hole
5. Castor wheel
1. Front castor arm
2. Shims
Matching Height Of Cut Between Cutting Units
1. Position blade side to side on outside spindle of
both side cutting units. Measure from the floor
to the tip of the cutting edge on both units and
compare. These numbers should be within 1/8 inch
(3 mm) of each other. Make no adjustment at this
time.
2. Position blade side to side on inside spindle of side
cutting unit and corresponding outside spindle
of front cutting unit. Measure from the floor to
the tip of the cutting edge on inside edge of side
cutting unit to corresponding outside edge of front
cutting unit and compare. The side cutting unit
measurement should be approximately 3/8 inch
less than the front cutting unit measurement to be
correct. When proper machine counterbalance is
applied to the side cutting units the inside edge will
lift up approximately 3/8 inch (10 mm).
Note: All three side cutting units castor wheels
should remain on the ground with counterbalance
applied.
Note: If adjustments need to be made to match the
cut between the front and side cutting units, make
the adjustments to the side cutting units only.
3. If the inside edge of the side cutting unit is too
high relative to the outside edge of the front cutting
unit, remove one 1/8 inch shim from the bottom
of the front inside castor arm on the side cutting
unit (Figure 29). Recheck measurement between
outside edges of both side cutting units and inside
edge of side cutting unit to outside edge of front
cutting unit.
4. If inside edge is still too high, remove an additional
1/8 inch shim from bottom of front inside castor
arm of the side cutting unit and one 1/8 inch shim
27
Figure 29
3. Front castor fork
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