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Section 3: Adjustments
RCR1542 and RCR1548 Rotary Cutters 312-556M
11/25/15
Table of Contents
Deck Leveling &
Height Adjustments
There are 4 primary adjustments that should be made
prior to actual field operations:
•
Deck Leveling From Left to Right
•
Deck Leveling From Front to Rear
•
Set tractor’s 3-Point hydraulic control stop at
this height.
•
Tailwheel Height Adjustment
Proper adjustment of each of these items will provide for
higher efficiency, improved cutting performance, and
longer blade life. The following tools will be needed:
• Pliable tape measure
• Spirit or carpenters level
• Open end or hex end wrench or socket set
• Protective gloves
!
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 From Left to Right
Refer to Figure 3-1:
1. Locate tractor and Rotary Cutter on a flat, level
surface.
2. Use tractor’s hydraulic 3-Point control to lower cutter
until the tailwheel makes contact with the ground
surface.
3. Place a spirit level or other suitable leveling device on
the front of the cutter deck as shown in Figure 3-1.
Manually adjust either one or both of the tractor’s
lower 3-Point arm height adjustments to level the
deck from left to right. Some tractors have only a
single adjusting crank.
Section 3: Adjustments
Cutting Height
Figure 3-2
Cutting Height
30242
Blade Tip
Blade Tip
Blade Tip At This End Should Be
Slightly Higher Than Cutting Height
Deck Leveling
Figure 3-1
Deck
Leveling From Front to Rear
Refer to Figure 3-2:
!
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. Using tractor’s 3-Point hydraulic control, raise or
lower the 3-Point arms until the front of the deck is
slightly lower than the rear of the deck.
2.
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.
30243
Level
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.