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Section 3: Adjustments
12/15/15
RCF3696, RCFM3696, RCF3610, & RCFM3610 Rotary Cutters 326-600M
Table of Contents
Leveling & Cutting Height
Adjustments For Pull-Type Cutters
With Rear Axles
The following instructions are for leveling and setting the
cutting height of a Pull-Type cutter. See page 31 for
“3-Point Cutters With Beam Arms” and page 33 for
“3-Point & Semi-Mount Cutters With Rear Axles”.
Two primary adjustments should be made prior to actual
field operations:
• Deck Leveling Front To Back
• Cutting Height Adjustment
Proper adjustment of each of these items will provide
higher efficiency, improved cutting performance and
longer blade life.
!
WARNING
Always disengage PTO, put tractor in park or set park brake,
shut tractor engine off, remove ignition key, and wait for all
moving parts to stop before dismounting from tractor.
Deck Leveling Front To Back
1. Having completed “Tractor Hook-up”, locate tractor
and cutter on a flat, level surface.
2. Use tractor’s hydraulics to adjust cutter height until
front of skid shoes are 2 to 3 inches off the ground.
Refer to Figure 3-9 on page 36:
3. Place a spirit level (#3) or other suitable leveling
device on one of the main deck channels to check
deck profile. Deck profile should be slightly higher at
the back than at the front.
Refer to Figure 3-8:
4. If cutter deck is not approximately 1" lower at the front
than at the back, then loosen jam nuts (#1) on both
sides of the deck and rotate leveling rod adjusting
nuts (#2) equally until deck is slightly higher at the
back.
5. Be sure that the right and left leveling rods are
equally tight and then re-tighten jam nuts (#1).
Cutting Height Adjustment
Refer to Figure 3-9 on page 36:
!
CAUTION
Avoid direct contact with cutter blades by wearing a pair of
gloves. Cutter blades have sharp edges and burrs that can
cause injuries.
1. With gloves on, carefully rotate blade tips on one side
of the cutter to the position shown in Figure 3-9 on
page 36.
2. Measure distance from end of blade (cutting tip) to
ground. This distance is the cutting height.
IMPORTANT: The front blade tip should be lower
than rear blade tip by approximately 1". The cutter is
subject to continuous material flow under the deck if
the rear blade is at the same height or lower than the
front blade causing horsepower loss, grass clumps,
blade wear, and frequent blade sharpening.
NOTE: Lengthening leveling rods with adjusting
nuts (#2) raises the back of the cutter.
Deck Leveling
Figure 3-8
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