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17
Section 3: Adjustments
10/18/16
RCF2060 and RCF2072 Rotary Cutters 326-459M
3.
Using tractor’s 3-point hydraulic control, raise or
lower 3-point lift arms until the front blade tip is at the
desired cutting height.
4.
The top center link should be loose when deck rear is
supported by the tailwheel. If not, lengthen center
link until loose. Final adjustment will be made later.
5.
Measure distance from cutting tip of rear blade to
ground. This distance should be slightly higher than
the front blade but not more than 1" higher.
6.
If rear blade is lower than the front blade or is more
than 1" higher than the front blade, then the tailwheel
height must be adjusted. If needed, see
instructions below.
7.
Repeat steps 1 through 6 until tailwheel and 3-point
arms are adjusted to the desired cutting height.
8.
Set tractor’s 3-point hydraulic control stop once the
tailwheel and 3-point arms are adjusted properly.
Tailwheel Height Adjustment
Refer to Figure 3-3:
If front blade tip is set at desired cutting height and back
blade tip is at same height or lower or is higher than front
blade tip by more than 1", then the tailwheel (#1) must be
adjusted up or down as follows:
Tailwheel Height Adjustment
Figure 3-3
1.
Use tractor’s 3-point hydraulic control to lift cutter
until tailwheel (#1) clears the ground.
2.
Remove hex top locknut (#4) and carriage bolt (#3).
3.
Adjust tailwheel as follows:
•
To lower cutting height, raise tailwheel up.
•
To increase cutting height, lower tailwheel down.
4.
With tailwheel adjusted to the correct height, replace
5/8"-11 x 1 1/2" GR5 carriage bolt (#3) and top
locknut (#4). Tighten top locknut to the correct torque.
5.
Readjust tractor’s lower 3-point lift arms as needed.
See
instructions on page 16.
30989
Tractor Center 3-Point Adjustment
Refer to Figure 3-4:
Center 3-Point Link Adjustment
Figure 3-4
1.
Lower cutter deck to the nominal cutting height.
2.
Typically the tractor center 3-point link is adjusted so
that the upper 3-point clevis pin is straight above the
lower 3-point hitch pins. This arrangement allows for
optimum ground contour following performance.
3.
Lock tractor center link in this position once correct
length is achieved. Adjustment on center 3-point link
can be made depending on customer’s preference.
37952
NOTE:
Customer may adjust tractor center 3-point
link to his or her preference. Lengthening tractor
center 3-point link allows more movement while
going over raised surfaces. Shortening the link
allows more movement while crossing over ditches.
Also, shortening center link allows the cutter to be
carried higher while traveling. Never lengthen center
link to where the cutter is carried too low.