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Adjusting Cutting Units
2.
Position a 6 mm or thicker plate under the reel
blades and against the front face of the bedknife.
Note: Be sure the plate covers the full length of
the reel blades and three blades contact the plate.
3.
Loosen the locknuts retaining the right-front roller
bracket.
1.
Right front roller bracket
2.
Upper right roller mounting bolt
4.
While holding the reel securely on the plate and
maintaining pressure on the front roller, rotate the
upper right roller mounting bolt. This mounting
bolt has an offset, which when rotated, acts as an
eccentric (cam) to raise or lower the roller. On the
bolt head there is an I.D. dot which denotes the
offset of the bolt. The dot indicates in which
direction the right end of the roller moves when
the bolt is turned.
Note: Insure both front roller brackets are in the
same hole.
5.
To verify if the roller is level, try inserting a piece
of paper under each end of the roller.
6.
When the roller is level, tighten the nuts securely.
Note: If additional adjustment is required, replace one
screw on L.H. bracket with another eccentric bolt, part
no. 93-2573.
Note: There are two positions for the front roller
brackets.
For most mowing applications, the lower position is
4
Figure 3
typically used.
The upper position is more aggressive and may be
used in a limited height-of-cut range (.140-.250") if
conditions warrant.
ADJUSTING THE HEIGHT OF
CUT (Fig. 4)
1.
Verify that the front roller is level and the bed-
knife-to-reel contact is correct.
1.
Gauge bar
2.
Roller bracket capscrew
3.
Height-of-cut knob
2.
Turn the cutting unit over (90°) and rest it on the
rear roller and top rear tabs. Loosen the locknuts
on the capscrews that retain the rear roller brack-
ets.
3.
On a gauge bar (Part no. 13-8199), set the head
the screw to the desired height of cut. This mea-
surement is from the bar face to the underside of
the screw head.
4.
Place the bar across the front and rear rollers and
adjust the height-of-cut knob until the underside
of the screw head engages the bedknife cutting
edge.
Figure 4
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