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Section 3: Adjustments
12/15/15
RCF2760 and RCF2772 Rotary Cutters 326-460M
Table of Contents
Tailwheel Height Adjustment
Refer to Figure 3-3:
If the front blade tip is set at the desired cutting height and
the back blade tip is at the same height or lower or is
higher than the front blade tip by more than 1", then the
tailwheel (#1) must be adjusted up or down as follows:
1. Use tractor’s 3-point hydraulic control to lift cutter
until tailwheel (#5) clears the ground.
2. Remove hex head nut (#3), spring lock washer (#4),
and cap screw (#2).
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 2" GR5 cap screw (#2), spring lock
washer (#4), and hex nut (#3). Tighten hex nut (#3)
until lock washer (#4) is squeezed flat.
5. Readjust tractor’s lower 3-point lift arms as needed.
See “Deck Cutting Height” on page 16.
Tractor Center 3-Point Adjustment
Refer to 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.
NOTE: The following adjustments may be made if
desired cutting height is located between two holes
in tail wheel adjustment bar (#1).
1. Unbolt adjustment bar from tailwheel pivot frame
and deck mounting lugs.
2. Turn adjustment bar upside down and reattach it
to the deck mounting lugs and tail wheel pivot
frame using existing hardware.
3. Repeat steps 1 thru 5.
NOTE: The upper casting has bushing built in the
center hitch and is used for Quick Hitch attachment.
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.
Deck Leveling
Figure 3-2
Tailwheel Height Adjustment
Figure 3-3
Center 3-Point Link Adjustment
Figure 3-4
30958
spirt Level
30959
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